When the SARS-CoV-2 virus enters the human body, it breaks into cells with the help of two proteins that it finds there, ACE2 and TMPRSS2. While there has been much discussion of viral infection in ...

The discovery of microbial-sensing proteins called Toll-like receptors is transforming our understanding of the body’s response to infection. Aa Aa Aa A diverse range of microbes, including ...