By Jimena Esteban in Buenos Aires, Argentina | China Daily | Updated: 2024-05-02 07:57 A dengue fever patient walks inside a hospital on the outskirts of Lima, Peru, on April 17. JUAN CARLOS CISNEROS/AFP The dengue outbreak across Latin America has reached alarming levels with reported cases already surpassing 5.2 million this year. "We have an emergency situation," Jarbas Barbosa, …