Doctors Say CDC Should Warn People About COVID-19 Vaccine Side Effects .<br />Now that Pfizer, Moderna and AstraZeneca are each closer to releasing a COVID-19 vaccine to the public, .<br />doctors are urging the CDC to let people know that it is possible they will experience unpleasant side effects.<br />Since each of the drugmakers' vaccines require two separate doses, .<br />Dr. Sandra Fryhofer of the American Medical Association is worried people won't return for the second dose after experiencing side effects from the first dose.<br />We really need to make patients aware that this is not going to be a walk in the park, Dr. Sandra Fryhofer of the American Medical Association, via statement.<br />They are going to know they had a vaccine. They are probably not going to feel wonderful. But they’ve got to come back for that second dose, Dr. Sandra Fryhofer of the American Medical Association, via statement.<br />One Moderna study participant in her 50s said she endured a migraine that left her drained and unable to focus for an entire day.<br />The first dose is no big deal. And then the second dose will definitely put you down for the day for sure. ... You will need to take a day off after the second dose, Moderna COVID-19 vaccine study participant, via CNBC.<br />Possible side effects include body aches, chills, high fever, bad headaches, daylong exhaustion and more