What are the risks of a circulating, pandemic respiratory virus clashing with the imminent flu season? To predict how SARS-CoV-2 and influenza virus might interact, we break down the attributes of COVID-19 and the flu.

In Sept. 1921, schools in New York City were opening in the midst of an enormous diphtheria outbreak. Are there lessons for schools opening 100 years later during record-breaking COVID-19 surges?

Pfizer's vaccine is first to be granted FDA approval for prevention of COVID-19 in people 16+. Learn more about Comirnaty and other mRNA and adenovirus-based vaccines being used around the world.