Researchers have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained ...

Whether Beijing can make amends for its cover-up of the pneumonia outbreak is a good gauge of the Hu Jintao leadership's commitment to media reform. Also, unless the new president can convince the ...

Viral infectious diseases pose significant challenges due to the rapid evolution of viruses through mutations. This was particularly evident during the COVID-19 pandemic, when emerging variants of ...

In other words, those pictures of the virus that you see on the news, that testing that you hear famous people are getting, and that severe acute respiratory syndrome coronavirus 2 (SARS-CoV2 ...