About This Source - NBC News
NBC News is the news division of the American broadcast television network NBC.
NBC News aired the first, regularly scheduled news program in American broadcast television history on February 21, 1940.
Recent from NBC News:
NBC News published this video item, entitled “Nightly News Full Broadcast (April 11th)” – below is their description.
Record-breaking 4.6 million vaccine doses administered on Saturday, shocking footage shows Army Lt. pepper-sprayed during traffic stop, and prosecution prepares to rest its case after second week of Chauvin trial.NBC News YouTube Channel
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In This Story: Vaccine
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.