Public health researchers at Columbia University Mailman School of Public Health used computer modeling to reconstruct how ...

Five years ago, on March 11, 2020, the World Health Organization declared COVID-19 a pandemic. Whether it still is depends on who you ask. There are no clear criteria to mark the end of a pandemic, ...

Dec. 31 (UPI) --The World Health Organization marked the fifth anniversary of the emergence of COVID-19 on Tuesday by reiterating its call for China to release the data it holds and allow outside ...

Yearly Covid-19 Booster Recommendations in Canada, Europe, and Australia. Although the rapid development of multiple Covid-19 vaccines in 2020 represents a major scientific, medical, and regulatory ...

Good health news for babies, kids and adults regarding the benefits of COVID-19 vaccination kept coming in December. And a study of millions of people in France found that vaccinated adults had a ...

Researchers have discovered that mRNA-based COVID-19 vaccines have a persistent effect on the innate immune system. These mechanisms may help the human body to better protect itself against potential ...