The nasal spray works to protect the lungs of mice, and could eventually replace multiple jabs if shown to be effective and ...

Researchers have identified the molecular mechanism behind vaccine-induced immune thrombotic thrombocytopenia, or VITT, a ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re like most people in the US, you probably either know someone with COVID-19 right now, know someone who just got over an ...

COVID booster vaccines 2025: As kids head back to school and families settle into the end-of-summer routine, COVID-19 is starting to make a comeback across the US Cases are rising again, though not as ...

Flu, COVID-19, the common cold and RSV have similarities, but they differ in their severity, contagiousness and symptoms. Vaccines are available for COVID-19, the flu and RSV. However, there is no ...

The World Health Organization on Wednesday urged Washington to share any intelligence it may be withholding on the Covid-19 ...