The CDC page explained that the new process for making vaccines had been known to researchers for decades, and that it allowed for rapid production of vaccines, something that, again, was certainly on people’s minds in late 2020 under COVID. It sounded like making the body wage war against itself, and also, such a vaccine has never been authorized before. With this new kind of vaccine, some people had concerns about teaching the body first to make a foreign protein, then to fight it off. For this reason, vaccination is a medical miracle responsible for saving millions upon millions of lives. It was a way of achieving the benefit of natural immunity without the obvious risk of natural infection. Your immune system would remember it, and be able to fight it off should it someday encounter the real deal. People understood traditional vaccines: The weakened or inactivated germ would not be strong enough to cause illness, while your body would recognize it as a threat and build up antibodies against it. It made sense for the CDC to issue such a page given that some people would naturally have questions about a new kind of vaccine. That immune response, which produces antibodies, is what protects us from getting infected if the real virus enters our bodies. Instead, they teach our cells how to make a protein-or even just a piece of a protein-that triggers an immune response inside our bodies. To trigger an immune response, many vaccines put a weakened or inactivated germ into our bodies. The CDC explained the difference in vaccine types this way: Food and Drug Administration (FDA) of November 20, 2020, to explain that EUA is “a mechanism to facilitate the availability and use of medical countermeasures, including vaccines, during public health emergencies, such as the current COVID-19 pandemic” and, under which, “FDA may allow the use of unapproved medical products, or unapproved uses of approved medical products in an emergency.” Specifically regarding the COVID-19 vaccines with EUA, the FDA and CDC assured everyone they would be “rigorously tested” and “rigorously evaluated for safety.”Īlso, since the first vaccines to be rolled out would be messenger RNA (mRNA) vaccines, which are “a new type of vaccine” never before licensed for use in the U.S., the CDC wanted to explain to everyone how they would work. In a page titled “Understanding mRNA COVID-19 Vaccines,” the CDC wanted everyone to know what to expect with the coming vaccines, which were being put forth under “Emergency Use Authorization” (EUA). On November 23, 2020, the Centers for Disease Control and Prevention (CDC) published information on something that was on everybody’s mind: vaccines against COVID-19.
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