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VIDEO | 01:38

Chief Pharmacy Officer Scott Freewick explains all three vaccines.

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Scott Freeswick:  the Pfizer and Moderna are both highly effective.  They're actually part of they actually take advantage of exciting technology called Messenger RNA or mRNA.  And the technology has been studied for years, but now we have two effective products that are up to 95% effective.  And also, most importantly, they're both safe.

These vaccines teach our cells how to make a protein or a piece of protein, that's to trigger us to have an immune response.  It's important to note that both vaccines require two doses.  And the brand you get for the first dose has to be the brand new get for your second dose.  The Pfizer vaccine is 21 days apart, and Moderna is 28 days apart.

It's also important to note that these vaccines are not live, and they cannot give you COVID-19.

You probably heard in the news about Johnson & Johnson also exciting another vaccine to join our two already on the market. 

The vaccine is also highly effective.  It uses more of a traditional vaccine technology, has a great advantage of one dose instead of two doses.  And Johnson & Johnson is found to 72% effective in the U.S. and preventing moderate or severe COVID-19, 28 days after you get vaccinated.

And I know maybe some on the call may think that 72% is low, but it's actually very good for a vaccine.  And it's actually also important to note that the vaccine is 85% effective in preventing severe COVID-19 and 100% effective in preventing hospitalizations and deaths.  And again, have that advantage of a single dose.  So, all really exciting.