Federal officials are preparing for the possibility of additional human cases of bird flu, testing components to create an H5N1 vaccine after a Texas dairy worker was infected with the highly ...

This is the second case of a human sickened by this highly virulent strain of bird flu in the United States, raising questions about whether this pathogen is now more easily transmitted among mammals.

Researchers discover a more virulent variant of the HIV virus, showing that you can't always count on viruses, including SARS-CoV-2, to mutate into a milder version of themselves.

In warmer weather with sporadic rainfall boosting mosquito breeding, the risk of a more potent dengue virus emerging and causing severe disease rises.

Study shows dengue virus turns virulent under higher temperature A team of researchers at the Rajiv Gandhi Centre for Biotechnology (RGCB) here has found that dengue, a recurring tropical disease ...

“This is the first study which proves conclusively that higher environmental temperature can increase the virulence of dengue virus. DENV cultured at a higher temperature (35° Celsius) in ...

Dengue virus turns virulent under higher temperature, finds study Dengue is a viral infection caused by DENV and transmitted to humans through the bite of infected mosquitoes.

Clade 2b mpox virus, which caused the 2022 outbreak in almost 100 locations outside the endemic regions of Africa, was 100 times less virulent than the closely related clade 2a.

Boston University scientists did gain-of-function research on the COVID-19 virus. Now, the government is investigating the work.

A highly virulent virus that rapidly infects and kills hosts has a much shorter infectious period, limiting its window to infect others.

(KRON) — Bay Area medical experts are seeing early signs that COVID-19 hospitalizations are on the rise again. They are encouraging masking, testing and vaccines to prevent the spread during … ...

The novel coronavirus which caused the COVID-19 infection was the first of its kind zoonotic virus when it was detected. The virus is said to have been transmitted to human beings from bats. It ...