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Dr. Threlkeld discusses vaccine effectiveness over time, optimistic with dropping numbers

Published: Oct. 6, 2021 at 1:16 PM CDT
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MEMPHIS, Tenn. (WMC) - Infectious disease expert Dr. Steve Threlkeld said in a press conference Wednesday afternoon that COVID-19 numbers are dropping, but gave a reminder that the virus is very unpredictable.

Dr. Threlkeld says that we have a significant impact on the virus through our behaviors and vaccines, but there are still some things we can’t predict.

“There are some unknowns that make us very uncomfortable at being able to predict what’s gonna happen,” Dr. Threlkeld.

Dr. Threlkeld also mentioned a study done that showed Pfizer vaccines could loose effectiveness against COVID-19 over longer periods of time and that booster shots are still a hot topic for debate among scientists and politicians.

Dr. Threlkeld says that while the virus battles our immune systems, it also has to battle the other variants for survival. He says unlike in June, when they thought we’d be looking at the pandemic in the rear view mirror by now, there’s not an immediate threat like the Delta variant on the horizon.

“I think it’s less likely for this virus to be more contagious than it is right now with Delta,” Dr. Threlkeld.

Dr. Threlkeld says he’s optimistic about the end of the pandemic.

“We hope that the way this thing ends is that it becomes less and less severe,” Dr. Threlkeld said.

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