Both Pfizer and Moderna's COVID-19 vaccines are safe, and about 10 percent to 15 percent of recipients reported side effects that were "significantly noticeable," CNBC reported Dec. 1.
Those side effects include redness and pain at the injection site, fever, chills, muscle aches and headache and can last up to a day and a half, but most people have no noticeable side effects, said Operation Warp Speed Chief Moncef Slaoui, PhD.
Last month, physicians told the Advisory Committee on Immunization Practices, a group of medical experts advising the CDC, that public health officials need to talk more about potential side effects of COVID-19 vaccines so the public knows what to expect and isn't afraid to get a second dose, CNBC reported.
"It will be very important for the most susceptible parts of our population to get these vaccines. And we will be looking at the safety of these vaccines in real life through very elaborate ... processes and report on it on an ongoing basis," Dr. Slaoui told CNBC.
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