Influenza virus is an infectious agent belonging to the virus family Orthomyxoviridae that causes a respiratory tract infection (influenza or 'flu') in vertebrates. There are three main species, and ...

Virus–host interactions are the viral and host processes that occur during viral infection, which enable both partners to respond to each other. The variability in clinical outcomes of SARS-CoV-2 ...

With the acute phase of the Covid-19 pandemic fading even as the coronavirus persists and evolves, a new normal is taking shape around the world. The agency’s top vaccine regulator proposed broad ...