South Africa has more people living with HIV than any other country, and US President Donald Trump’s aid freeze has hit ...

Scientists explored the differences in heart inflammation caused by COVID-19, anti-COVID-19 vaccines, and other viral ...

Results from a trial of an mRNA vaccine for pancreatic cancer have shown that the vaccine reduces the chance of the cancer ...

COVID-19 vaccines target emerging variants, offering improved protection. Learn about their effectiveness, timing, and safety ...