CDC

New York City Mayor Bill de Blasio has announced that those vaccinated against COVID-19 will not be required to wear masks indoors. Despite backing off from an official mask mandate, de Blasio passionately advised those who were vaccinated to...

An internal CDC document warns the Delta variant appears to spread as easily as chickenpox; it also causes a more severe infection.

Delta plus , a new variant of the original Delta variation of the coronavirus, has spread around the world. Are our vaccines effective enough?

A US CDC official stated on Wednesday that, according to information, there is no need for a booster shot for the coronavirus vaccine.

The Delta coronavirus variant, previously known as the Indian variant, could soon be responsible for as much as 90% of Europe's infections.

Dr. Nirav Shah, the director of the Maine CDC, urged people to be inoculated as soon as possible as the Delta variant continues to spread.

Is it really legal for employers anywhere in the world to fire you if you refuse the coronavirus vaccine? In some places, it is.

Albert Bourla, CEO of Pfizer, told viewers a "new version" of its Pfizer vaccine that will be easier to store at higher temperatures.

All those vaccinated against Covid-19 no longer need to wear masks or practice social distancing indoors or outdoors, according to updated guidelines from the US Centers for Disease Control and Prevention (CDC) released on Thursday. The stunning announcement, which signals...

The Pfizer vaccine has shown remarkable efficacy in trials with 12-15 year old teenagers, with 100% effectiveness noted thus far.