CNN’s Clarissa Ward speaks to participants in a coronavirus human vaccine trial at the University of Oxford.
#CNN #News
CNN’s Clarissa Ward speaks to participants in a coronavirus human vaccine trial at the University of Oxford.
#CNN #News
The video item below is a piece of English language content from CNN. CNN is an American news-based pay television channel owned by CNN Worldwide, a unit of the WarnerMedia News & Sports division of AT&T-owned WarnerMedia. CNN was founded in 1980 by American media proprietor Ted Turner as a 24-hour cable news channel.
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.