Why a fast-spreading coronavirus and a half-vaccinated public can be a recipe for disaster
3 years, 4 months ago

Why a fast-spreading coronavirus and a half-vaccinated public can be a recipe for disaster

LA Times  

If you were responsible for tracking the pandemic, divining what the coronavirus’ next trick will be, and keeping illness and death to a minimum, you’d be really worried right now. And then everybody’s back at the beginning.” Said Dr. Megan Ranney, associate dean of Brown University School of Public Health: “This situation we’re in, where half of us are fully vaccinated and half are not, you couldn’t design a better experiment for creating a vaccine-resistant variant.” Surges create super-spreader events that can propel new variants into high circulation RNA viruses like SARS-CoV-2 mutate frequently because their replication program fails to fix many of the mistakes that arise when they make copies of their genetic code. Studies of variants’ spread in populations, as well as models of their emergence, have demonstrated that new viral strains have a better chance of making their way into broader circulation when cases are surging. Kids are going back to school amid high levels of community transmission with incomplete vaccine protection Throughout most of the pandemic, kids weren’t thought to be key drivers of spread. Much of the rest of the world is unvaccinated, and likely to remain so for some time As the Delta variant’s origins in India make clear, even a country like the United States with a plentiful supply of vaccine is not safe as long as the rest of the planet is contendingwith continued waves of pandemic illness.

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