‘Should I get the COVID-19 vaccine that’s 95% or 90% effective?’

Dr. Jen Ashton answers “GMA3” staff questions about the coronavirus.
1:36 | 12/03/20

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Transcript for ‘Should I get the COVID-19 vaccine that’s 95% or 90% effective?’
It's so true. Dr. Jen Ashton here with viewers' questiobout the coronavirus. We'll start with the first one, will there be a way to test for long-term immunity before getting the vaccine? This is coming from Justin, one of our "Gma3" staffers. We're calling it "Gma" family question day. Two issues at play here. Number one, will someone who has covid antibodies be able to get the vaccine? At this point, no, because those people weren't in the clinical trials. Number two, we don't know how long will the immune protection from the vaccines last. Will it be like the flu vaccine where we need to get one made up with different strains every year? Will we need to get a booster? We still don't know. Next question, Dr. Jen, if one vaccine is 95% effective and the other is 90% effective, shouldn't we get the one that is 95% effective? Very good question. The answer is no. I'll tell you why. Think of a bell-shaped curve. When you get towards that right side of the curve, there's really not a significant difference between 90% and 95%. You're all on that right side tail of that. Both highly effective. At this point it will come down to access, what vaccine is available and accessible to you. In my mind the 5% is a big deal. You're a 5% kind of guy, T.J. Thanks to our staff for submitting those. Keep sending your questions to to Dr. Jen on her

This transcript has been automatically generated and may not be 100% accurate.

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