Americans will be able to order up to four COVID-19 nasal swab tests delivered to their home free of charge starting later ...

This year's spike in cases marks a return to pre-pandemic levels of this infection, which is also called pertussis.

Everything you need to know about getting a Covid-19 vaccination ... there are vaccination updates in your state: The Plan Your Vaccine page will be updated as new information is released from ...

One major reason why it has been difficult to develop an effective HIV vaccine is that the virus mutates very rapidly, ...

Former President Donald Trump said on Sunday that he doesn't “think” he'd run again for president in 2028 if he falls short ...