Last month, as crowds cheered the first truck with vaccine produced by BioNTech SE
BNTX,
and Pfizer
PFE,
leaving the manufacturing facility, doctors advised the Centers for Disease Control and Prevention to be transparent about any side effects people may experience after a first dose of a vaccine, including muscle pain, chills and headaches.
Vaccine side effects typically show up in the first weeks but up to two months after vaccination, according to Dr. C. Buddy Creech, director of the Vanderbilt Vaccine Research Program. They include slight fevers, headaches and feeling run down, he said.
Creech, a principal