Virus causing dengue has evolved dramatically in India, finds multi-institutional study
1 year, 8 months ago

Virus causing dengue has evolved dramatically in India, finds multi-institutional study

The Hindu  

A multi-institutional study on dengue, led by the Indian Institute of Science, shows how the virus causing the disease has evolved dramatically over the last few decades in the Indian sub-continent. Dengue is a mosquito-borne viral disease that has steadily increased in the last 50 years, predominantly in the South-East Asian countries and there are four broad categories or serotypes of the dengue virus. Very different from original strains “We were trying to understand how different the Indian variants are, and we found that they are very different from the original strains used to develop the vaccines,” said Rahul Roy, Associate Professor, Department of Chemical Engineering, IISc., and corresponding author of the study published in PLoS Pathogens. But in recent years, Dengue 2 has become more dominant, while Dengue 4 – once considered the least infectious – is now making a niche for itself in South India, the researchers found.

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History of this topic

Dengue cases set a new record in the Americas this year as deaths also surge
4 weeks, 2 days ago

Dengue cases set a new record in the Americas this year as deaths also surge

The Independent  

For free real time breaking news alerts sent straight to your inbox sign up to our breaking news emails Sign up to our free breaking news emails Sign up to our free breaking news emails SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Dengue fever is sweeping across …

407 dead in climate change-boosted dengue outbreak in Bangladesh, healthcare system overwhelmed
1 month, 3 weeks ago

407 dead in climate change-boosted dengue outbreak in Bangladesh, healthcare system overwhelmed

Firstpost  

Over 400 dengue deaths have been reported in Bangladesh in 2024 as climate change fuels rising temperatures and extended monsoon seasons, creating ideal conditions for mosquito-borne infections Currently, 90 countries are experiencing active dengue transmission in 2024, although not all cases have been formally reported. An overwhelmed healthcare system The crisis follows last year’s record-breaking toll, with 1,705 deaths and …

Dengue cases rise to 54 in GB Nagar, malaria at 80 this year
3 months, 3 weeks ago

Dengue cases rise to 54 in GB Nagar, malaria at 80 this year

Hindustan Times  

The number of dengue cases reported in Gautam Budh Nagar district this year touched 54, while malaria cases have reached 80, said health department officials on Wednesday. 974 dengue cases were reported from across the district in 2023, while 468 dengue cases were reported in 2022. To be sure, 974 dengue cases were reported from across the district in 2023, …

Dengue cases dropped by 94 per cent this year, says NDMC
4 months ago

Dengue cases dropped by 94 per cent this year, says NDMC

New Indian Express  

NEW DELHI: Over 94% drop in cases of dengue were recorded this year, the New Delhi Municipal Council said on Friday. According to the data released by the civic body, seven cases of dengue were recorded till August 29, in comparison to 131 of the last year. NDMC Member Kuljeet Singh Chahal said that the NDMC is making all efforts …

Major milestone for India’s dengue shot as Phase 3 trials begin
4 months, 3 weeks ago

Major milestone for India’s dengue shot as Phase 3 trials begin

Hindustan Times  

The Indian Council of Medical Research and Panacea Biotec announced on Wednesday that they have started the first-ever Phase 3 clinical trial for its anti-dengue vaccine candidate in India; the country currently does not have an approved vaccine for the illness. The global incidence of dengue has been steadily increasing over the past two decades, with at least 129 countries …

Karnataka’s 2024 dengue tally crosses last year’s caseload
5 months ago

Karnataka’s 2024 dengue tally crosses last year’s caseload

The Hindu  

The rise in the number of dengue cases in Karnataka has been significant this year, with the numbers reported till August 3 crossing the entire last year’s figure of 19,300. According to data from the State Health Department, from January till August 3 this year, Karnataka has reported 19,313 dengue cases and ten deaths. With nearly 46% of the State’s …

'Exponential' Surge in Dengue Cases in South India; More Patients Coming in With Severe Complications Like Low BP
5 months, 2 weeks ago

'Exponential' Surge in Dengue Cases in South India; More Patients Coming in With Severe Complications Like Low BP

News 18  

India has started experiencing a significant surge in dengue cases, particularly in the southern states. Similarly, Dr Sheela Chakravarthy, Director of Internal Medicine, Fortis Hospital, Bannerghatta Road, Bengaluru, said that she sees five to six dengue cases every day, with two to three patients requiring admissions, which means that almost half of the OPD patients require admission. “Between July 1 …

Why dengue cases are on the rise | Explained
5 months, 4 weeks ago

Why dengue cases are on the rise | Explained

The Hindu  

The story so far: In the past few weeks, cases of dengue have been rising in some parts of the country. According to data published on the website of the National Centre for Vector Borne Diseases Control, the country has recorded 19,447 cases of dengue and 16 deaths till April 30, 2024. According to the World Health Organization, as of …

Dengue, Nipah and Ebola: Viruses by any other name – why scientists are renaming deadly diseases
6 months ago

Dengue, Nipah and Ebola: Viruses by any other name – why scientists are renaming deadly diseases

BBC  

Dengue, Nipah and Ebola: Viruses by any other name – why scientists are renaming deadly diseases Getty Images Viruses have traditionally been named after the places or animals they have been first discovered in. The exact origin of the name dengue is a little uncertain, but it is related to the symptoms There are currently 14,690 known species of virus …

Endemic dengue may have helped stem severity of early COVID wave in India: study
6 months, 1 week ago

Endemic dengue may have helped stem severity of early COVID wave in India: study

The Hindu  

Can the dengue virus beat the coronavirus and is it why the early wave of the pandemic in 2020 resulted in fewer COVID deaths or severe infections compared to Europe or North America where dengue is not endemic? “In this paper, we provided several pieces of experimentally obtained evidence that pre-existing dengue immunity might have played some protective role in …

Punjab’s dengue count surpasses last year’s mark, DENV 2 prevalent strain
1 year, 1 month ago

Punjab’s dengue count surpasses last year’s mark, DENV 2 prevalent strain

Hindustan Times  

With Punjab’s dengue count surpassing last year’s mark, experts have revealed that the Dengue Virus Type 2, also known as DENV 2, is the most prevalent strain among patients this season. The state’s nodal officer for dengue control programme, Dr Arshdeep Kaur said, “After serotyping of positive cases from the Post Graduate Institute of Medical Education and Research, Chandigarh, DENV2 …

More than 1,000 Dengue Cases Logged in Karimnagar
1 year, 3 months ago

More than 1,000 Dengue Cases Logged in Karimnagar

Deccan Chronicle  

Karimnagar: Not only the government but also private hospitals have been witnessing a surge in cases of dengue and other seasonal diseases in the erstwhile Karimnagar district. Between January and September, more than a thousand people tested positive for dengue fever in the four districts -- Karimnagar, Jagtial, Peddapalli and Rajanna Sircilla. Many government hospitals in the erstwhile Karimnagar district …

Bangladesh witnesses worst ever dengue outbreak as more than 1000 killed and over 2 lakh infected
1 year, 3 months ago

Bangladesh witnesses worst ever dengue outbreak as more than 1000 killed and over 2 lakh infected

India TV News  

Bangladesh, which has been facing the burnt of dengue for the past nine months, has lost more than 1,000 people, according to local media reports. According to the World Health Organisation, dengue, or break-bone fever, is a viral infection that spreads from mosquitoes to people. Symptoms may include: high fever severe headache pain behind the eyes muscle and joint pains …

No drop in dengue cases in Ernakulam
1 year, 3 months ago

No drop in dengue cases in Ernakulam

The Hindu  

Ernakulam continues to have the highest number of dengue fever cases in the State since September 1. Kalamassery had the highest number of cases among the regions that had reported dengue cases since September 1. Pointing out that dengue will continue to remain a problem within the district, Dr. Rajeev Jayadevan, Member of the Public Health Advisory Panel of the …

Dengue fear grips India as receding flood water may act as a catalyst
1 year, 5 months ago

Dengue fear grips India as receding flood water may act as a catalyst

India Today  

Parts of Delhi, Himachal Pradesh, Punjab, Uttarakhand, Haryana, and Assam were ravaged by floods this year. Surging dengue cases spurred protests in West Bengal Dengue cases in Delhi at five-year high Karnataka reported over 4,500 cases between January and July 2023 Dengue larvae were found in over 1,000 houses in Haryana’s Karnal district “When an area becomes flooded, the populations …

Dengue cases in Delhi rise to 56 last week, total 243 cases reported this year
1 year, 5 months ago

Dengue cases in Delhi rise to 56 last week, total 243 cases reported this year

Hindustan Times  

The weekly count of dengue cases in the national Capital has doubled over the last week with Delhi reporting 56 new dengue cases ever since, the mosquito borne disease report issued by the Municipal Corporation of Delhi on Monday said. The overall count of dengue cases reported till July 28 now stands at 243 cases. With the addition of 56 …

Threat of dengue fever escalates globally
1 year, 5 months ago

Threat of dengue fever escalates globally

The Hindu  

The recent surge in dengue cases globally, including in new regions has been alarming and poses significant global health challenges. More dengue cases This month, there was an outbreak of dengue fever reported in Egypt’s Qena province after several positive cases. Dengue cases have soared in India, mostly due to heavy rains and inadequate control measures, which create the ideal …

Spike in dengue cases in India: How bad is it?
1 year, 5 months ago

Spike in dengue cases in India: How bad is it?

Firstpost  

The Delhi government has warned of a likely uptick in cases of dengue and other vector-borne diseases due to the recent flooding in the city. Delhi Till 15 July this year, Delhi logged a total of 163 dengue cases, as compared to 158 in 2022 and 40 in 2021 during the same period, reported Indian Express. Last year, as per …

27 dengue cases in Delhi over the last week, likely to go up
1 year, 5 months ago

27 dengue cases in Delhi over the last week, likely to go up

Hindustan Times  

With parts of the city battling waterlogging and flooding over the last week, Delhi has reported 27 cases of dengue in the weekly cycle ending on July 15, the routine vector-borne disease report issued by the Municipal Corporation of Delhi said. Public health department officials of the civic body said that as the water recedes in the low-lying areas, the …

Dengue cases on rise in India; tips to protect yourself from the mosquito-borne disease
1 year, 5 months ago

Dengue cases on rise in India; tips to protect yourself from the mosquito-borne disease

India TV News  

Dengue cases are on the rise in India due to monsoon. Several parts of India, including Odisha, Assam and Kerala are already recording an increase in dengue cases. This worrying trend has prompted health experts to issue warnings and advice on how to protect oneself from the mosquito-borne disease. Dengue is a tropical disease caused by four different viruses, all …

Ahead of monsoon, ICMR confirms infection geography of dengue has grown from eight States in 2001 to across the country
1 year, 7 months ago

Ahead of monsoon, ICMR confirms infection geography of dengue has grown from eight States in 2001 to across the country

The Hindu  

Faced with a shortage of entomologists, a trickier vector, increased travel, and less than optimal public participation to prevent its spread, the infection geography of dengue, which was restricted to eight States in 2001, currently covers all the States and Union Territories in India. As the country gets ready to welcome the southwest monsoon, which is associated with the rise …

SCIENCE NOTEBOOK | Insights into the Dengue Virus in India
1 year, 7 months ago

SCIENCE NOTEBOOK | Insights into the Dengue Virus in India

The Hindu  

Published : May 18, 2023 11:00 IST - 3 MINS READ A multi-institutional study led by researchers at the Indian Institute of Science has shown how the dengue virus has evolved over the past few decades in the Indian subcontinent. Although cases of dengue have steadily increased in the last 50 years, predominantly in South-East Asian countries, India has no …

Dengue vaccine: India moves closer to getting its first indigenous vaccine
1 year, 7 months ago

Dengue vaccine: India moves closer to getting its first indigenous vaccine

The Hindu  

Moving closer to being able to develop the country’s first vaccine against dengue, drug-makers Serum Institute of India and Panacea Biotec have applied to the Indian Council of Medical Research’s call for ‘Expression of Interest’ for collaborative Phase-III clinical trials for indigenous manufacturers. Phase-III clinical trial is being done for evaluation of efficacy, along with safety and immunogenicity of tetravalent …

National Dengue Day 2023: Causes, Symptoms and Tips to Prevent Mosquito-borne Disease
1 year, 7 months ago

National Dengue Day 2023: Causes, Symptoms and Tips to Prevent Mosquito-borne Disease

News 18  

NATIONAL DENGUE DAY 2023: National Dengue Day is celebrated in India every year on May 16th with an aim of raising awareness about the dengue virus and its prevention. National Dengue Day 2023: Causes Dengue fever is a viral disease that spreads through the bite of an infected Aedes aegypti mosquito and is caused by the dengue virus. National Dengue …

New study reveals impact of prior infections on dengue virus evolution in India
1 year, 9 months ago

New study reveals impact of prior infections on dengue virus evolution in India

The Hindu  

Based on an analysis of 184 whole-genome dengue sequences and 408 E gene sequences from India spanning more than 60 years, a team led by Dr. Rahul Roy from the Department of Chemical Engineering at the IISc have carried out a detailed investigation of the virus diversity and evolutionary dynamics of the virus in India. While the virus that is …

Over 3,300 dengue cases in Delhi in 2022 so far, nearly 1,150 in November
2 years, 1 month ago

Over 3,300 dengue cases in Delhi in 2022 so far, nearly 1,150 in November

Firstpost  

The dengue infection tally stood at 3,044 till 18 November, and 279 more cases have been recorded since then till 25 November New Delhi: Over 1,100 dengue cases have been reported in the national capital in the first three-and-a-half weeks of November, taking the infection tally of the vector-borne disease to more than 3,300 so far this year, according to …

Delhi reports first death due to dengue this year; over 1,200 cases in October
2 years, 2 months ago

Delhi reports first death due to dengue this year; over 1,200 cases in October

India TV News  

Highlights 1,238 cases of dengue were recorded in Delhi till October 26, this year The dengue infection tally had stood at 1,876 till October 19 Delhi has also recorded 200 cases of malaria and 40 cases of chikungunya this year Delhi on Wednesday reported its first death due to dengue this year. In October, Delhi reported more than 1,200 cases …

Climate change a leading reason for rise in number of dengue cases: study
2 years, 2 months ago

Climate change a leading reason for rise in number of dengue cases: study

The Hindu  

Climate change has caused a spike in the number of recorded vector-borne diseases like dengue and malaria, a new study has revealed. Spread of disease-causing mosquitos The study finds that changing climate patterns, coupled with other factors like urbanisation and increased movement of people and goods, have boosted the spread of disease-causing mosquitos. The climatic conditions needed for mosquitos to …

Many dengue patients in Delhi developing complications like liver dysfunction
2 years, 2 months ago

Many dengue patients in Delhi developing complications like liver dysfunction

Hindustan Times  

Amid a rise in dengue cases in Delhi, doctors in several city hospitals said many patients of the vector-borne disease are developing complications such as liver dysfunction and capillary leak. Elaborating about the reasons, he said the patients developing such complications could be either due dysregulated immune response or movement of people after a gap of two years due to …

Delhi records over 900 dengue cases in October, tally rises to 1876
2 years, 2 months ago

Delhi records over 900 dengue cases in October, tally rises to 1876

Hindustan Times  

More than 900 cases of dengue have been reported in the national capital in October, taking the total infection tally of the vector-borne disease to 1,876 so far this year, according to a civic report issued on Tuesday. The dengue infection tally had stood at 1,572 till October 12. Over 300 new cases were logged in the week that followed, …

What is DENV-2, the deadly dengue variant that is spreading fast; know symptoms, causes, treatment
2 years, 2 months ago

What is DENV-2, the deadly dengue variant that is spreading fast; know symptoms, causes, treatment

Hindustan Times  

DENV-2, the deadly dengue virus variant that is highly virulent and can cause symptoms of severe dengue, has been spreading fast in several parts of India since last few months. DENV-2, if not treated, or in rare cases can cause deadly complications like dengue haemorrhagic fever and dengue shock syndrome. Talking about the symptoms of DENV-2, Dr Ladhani says, "Patient …

Delhi registers 321 fresh dengue cases, tally up to 1,258
2 years, 2 months ago

Delhi registers 321 fresh dengue cases, tally up to 1,258

Hindustan Times  

New Delhi Delhi registered 321 dengue cases during the weekly cycle ending October 5, a report by the Municipal Corporation of Delhi on the disease released on Monday has said. This figure was 91 lower than the weekly cycle ending September 28, when the national capital reported 412 dengue cases, and the city’s cumulative count for dengue cases has risen …

Over 400 dengue cases reported in last week of September taking Delhi’s 2022 count to 937
2 years, 3 months ago

Over 400 dengue cases reported in last week of September taking Delhi’s 2022 count to 937

Hindustan Times  

The national capital registered 412 cases of dengue in the last week of September, taking the tally of the mosquito-borne illness to 937 in 2022, the vector borne disease report, released by the Municipal Corporation of Delhi on Monday, showed. In comparison to the 937 cases registered till September 28 this year, the city registered 341 cases in the corresponding …

West Bengal: 840 New Dengue Cases Reported Ahead Of Durga Puja Celebrations
2 years, 3 months ago

West Bengal: 840 New Dengue Cases Reported Ahead Of Durga Puja Celebrations

ABP News  

The number of dengue cases in West Bengal has seen a rapid rise with the state health department reporting 840 new infections on Monday ahead of the Durga Puja celebrations in the state. The new cases emerged after testing 7,682 samples, the health department said, reported news agency PTI. Meanwhile, the national capital also witnessed around 281 cases this month …

Data | Tracing the link between dengue outbreaks and monsoon seasons
2 years, 5 months ago

Data | Tracing the link between dengue outbreaks and monsoon seasons

The Hindu  

Dengue outbreaks follow a curious pattern. Back in the south The table shows a State’s share of India’s total dengue cases. In 2022, the dengue burden shifted to the south as three States — Tamil Nadu, Karnataka and Andhra Pradesh — accounted for 60% of the dengue cases reported. Disease burden The table below lists a State’s share of India’s …

Karnataka has the second highest dengue cases after Tamil Nadu
2 years, 7 months ago

Karnataka has the second highest dengue cases after Tamil Nadu

The Hindu  

Karnataka has the second highest number of dengue cases in the country this year. While Tamil Nadu tops the list with 2,361 cases, Karnataka follows with 1,417 cases reported from January till April 30 this year. According to Karnataka’s Health Department data, there has been a 36.33% rise in dengue incidence this year - from January till May 12 compared …

Dengue Cases on Rise in Delhi, Prevent Yourself With These Simple Tips
2 years, 8 months ago

Dengue Cases on Rise in Delhi, Prevent Yourself With These Simple Tips

News 18  

Dengue is a mosquito-borne disease that is caused when the Aedes aegypti mosquito bites a human. India’s capital is witnessing a rise in Dengue cases every day. In the month of March, Delhi recorded 22 cases of dengue with a total of 61 cases since the beginning of this year. High Fever Headache Muscle, bone or joint pain Nausea Vomiting …

Unusual winter trend: Delhi sees 7 dengue cases last week
2 years, 11 months ago

Unusual winter trend: Delhi sees 7 dengue cases last week

Hindustan Times  

Delhi reported seven more dengue cases over the past week, taking the number of the vector borne disease in the Capital to 15 this year. Delhi recorded 9,613 dengue cases and 23 fatalities in 2021, making it the second worst annual outbreak on record. A senior municipal official from public health official said that 210 legal notices have been issued …

Dengue Cases in Delhi This Year Mounts to Over 8,200; More Than 6,700 in Nov Alone: Civic Body
3 years, 1 month ago

Dengue Cases in Delhi This Year Mounts to Over 8,200; More Than 6,700 in Nov Alone: Civic Body

News 18  

Dengue cases in Delhi this season has jumped to over 8,200, with more than 6,700 of those being recorded in November alone, according to a civic report released on Monday. On November 17, the city had recorded a total of 5,277 dengue cases, making it the highest number of cases of the vector-borne disease recorded in the national capital in …

Delhi adds 2,569 dengue cases, highest since 2015 outbreak
3 years, 1 month ago

Delhi adds 2,569 dengue cases, highest since 2015 outbreak

Hindustan Times  

Dengue infection tally in Delhi almost doubled to 5,277 with over 2,500 new cases added in just one week ending November 13, according to the report released by the municipal corporations of Delhi. This is the highest number of cases since Delhi’s largest outbreak in 2015 that affected almost 16,000 people and killed 60. Delhi usually sees dengue cases peak …

Infographic: What is dengue and how does it spread?
3 years, 2 months ago

Infographic: What is dengue and how does it spread?

Al Jazeera  

Tens of thousands of people across India, Pakistan and Bangladesh have been struck by dengue fever this year in one of the worst outbreaks in recent times that has further burdened the countries’ already fragile public health systems. In India, at least 116,991 dengue cases have been reported this year, according to local media citing health officials. A total of …

Dengue, Malaria, Chikungunya on Rise: Here's State-wise Status Check of Cases, Symptoms and Prevention
3 years, 2 months ago

Dengue, Malaria, Chikungunya on Rise: Here's State-wise Status Check of Cases, Symptoms and Prevention

News 18  

The cases of vector-borne diseases like dengue, malaria, and chikungunya are on the rise in several states of the country at a time when India is already dealing with a coronavirus pandemic. It added that malaria cases dropped by 71.8 per cent while deaths declined by 73.9 per cent between 2000 to 2019. chikungunya It’s a viral disease transmitted to …

350 cases of dengue reported in Agra district, highest in a decade
3 years, 2 months ago

350 cases of dengue reported in Agra district, highest in a decade

India Today  

This year, at least 350 people have been diagnosed with dengue in the Agra district of Uttar Pradesh, which is the highest in the last 10 years. Earlier in 2018, 194 dengue cases were confirmed in the district. Following heavy rainfall on Monday, dengue cases are likely to increase over the next few days, due to a spike in mosquito …

Indian scientists working on 1st ever dengue DNA vaccine
3 years, 3 months ago

Indian scientists working on 1st ever dengue DNA vaccine

Hindustan Times  

The world’s first DNA vaccine was approved for use in India recently. Now, some researchers believe the technology -- considered superior because DNA vaccines are easier to make and store, and, most importantly store an enormous amount of information -- can be used to develop a vaccine for another tropical disease, dengue, a viral infection transmitted by mosquitoes. With the …

Indore: Dengue cases rise in the city; highest in last 6 years
3 years, 3 months ago

Indore: Dengue cases rise in the city; highest in last 6 years

India Today  

Indore has reported a rise in dengue infection cases in just 24 hours. The city has reported 17 new cases of dengue, taking the total tally to 384, which is the highest in the last 6 years. District malaria officer Daulat Patel told Time of India that Indore has a dengue prevalence index of over 1 at the moment. People …

Dengue suspected of killing dozens in India’s Uttar Pradesh state
3 years, 3 months ago

Dengue suspected of killing dozens in India’s Uttar Pradesh state

Al Jazeera  

At least 58 people, many of them children, have died in the worst-hit Firozabad district alone. An outbreak of dengue fever is suspected of killing dozens of people in India’s northern state of Uttar Pradesh since the start of September, as authorities launch a campaign to destroy mosquito breeding grounds. Dinesh Kumar Premi, the chief medical officer in Firozabad, the …

Delhi Reports Highest Dengue Cases in 3 Years. Situation Equally Worrisome in MP
3 years, 4 months ago

Delhi Reports Highest Dengue Cases in 3 Years. Situation Equally Worrisome in MP

News 18  

After Uttar Pradesh and Bihar, Delhi has also started reporting rising cases of viral fever. At least 125 cases of Dengue viral fever have been reported this year and 72 of these were reported in August alone. Besides the national capital, Madhya Pradesh is seeing an alarming rate of dengue cases among children. The situation in Gwalior is said to …

Over 100 Dengue Cases in Delhi This Year, 72 in August
3 years, 4 months ago

Over 100 Dengue Cases in Delhi This Year, 72 in August

News 18  

At least 124 cases of dengue have been reported in the national capital this year, according to a civic report released on Monday. According to the civic report issued by the municipal corporations last week, 97 cases of dengue were recorded till August 28 this year. At least 124 cases have been reported this year till September 4, the report …

Researchers Are Genetically Modifying Mosquitoes to Eliminate Diseases Like Dengue, Zika
4 years, 4 months ago

Researchers Are Genetically Modifying Mosquitoes to Eliminate Diseases Like Dengue, Zika

News 18  

For decades, researchers have scratched their heads over how to combat deadly mosquito-borne diseases such as dengue fever. In Indonesia, an impact study carried out on 300,000 people demonstrated that dengue infection rates decreased by 77 percent in regions where the modified mosquitoes were introduced. “Oxitec’s safe, non-biting male mosquitoes are designed to suppress local wild populations of disease-spreading mosquitoes,” …

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