Five years ago, on March 11, the World Health Organization declared COVID-19 a global pandemic. The vaccines “underwent the most intensive safety analysis in U.S. history." ...

One avenue for new vaccine development is mucosal vaccines. In theory, dosing the vaccine directly into the respiratory tract ...

It has been five years since the World Health Organisation (WHO) declared COVID-19 a pandemic in March 2020 a decision that ...

The researchers reviewed data on symptom severity and COVID-19 vaccination status. Significantly more cancer survivors had ...

The core of the coronavirus SARS-CoV-2 is a single strip ... One concern is that people can develop immunity to the viral vector, making this approach potentially less useful if booster shots ...

Here is everything you need to know about the recent case of human coronavirus case in Kolkata. Understanding the symptoms of ...