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COVID-19 weekly update Jan 12, 2021 | By Jennifer O'Hara (@jenohara)

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@sundance6

Merry, That is also my question! I know it has been studied to a limited amount. But even like Vacines that are tested for several years, reactions can happen! My other question about it all right now, we are hearing about a "NEW STRAIN" of the virus! But if you remember back when it started, Faucci said there was only "ONE STRAIN" of the virus. Then he changed his story and said there are many! When a yearly new Flu vacine comes out every year it is for one strain, if another strain appears the vacine is only 50% effective!
If someone can lend me some medical information how that will not happen this time with the Covid vacine?
I am not trying to put everyone's hope down! I'm just trying to better understand the vacine better!
From, The Land of Enchament!
Sundance(RB)

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Replies to "Merry, That is also my question! I know it has been studied to a limited amount...."

@sundance6- Dr. Fauci stated the truth at the time he stated that there was only one strain. At that time there was only one strain. When COVID-19 began to mutate he changed what he said. A lot of viruses mutate. Look at how many changes the flu vaccine has had to change to keep up with its mutations.

The flu vaccine is different than the COVID-19 vaccine in that it covers about 4 different viruses every year.
https://www.cdc.gov/flu/prevent/keyfacts.htm
There are no guarantees with viruses or vaccines. Viruses usually mutate and this one has done so a few times. Perhaps down the road, we might need a booster, too. It could also mutate itself so out of control the vaccines don't get to enough people that we would have to start all over with the new virus that it would become. Viruses will do anything to stay alive.