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. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it, and to further recognize and destroy any of the microorganisms associated with that agent that it may encounter in the future. Vaccines can be prophylactic, or therapeutic.
As on January 24, till 8 am, nearly 16 lakh (15,82,201) beneficiaries have received Covid-19 vaccination.In a span of 24 hours, close to 2 lakh (1,91,609) people were vaccinated across 3,512 sessions... IndiaTimes - Published
"Black Panther" star Letitia Wright says she was just trying to raise her concerns about a potential coronavirus vaccine by sharing a video made by a vaccine skeptic ... but she raised a major.. TMZ.com - Published