Medically reviewed by Renee Nilan, MDMedically reviewed by Renee Nilan, MD COVID arm rash is a delayed hypersensitivity reaction that occurs approximately five days after the COVID-19 vaccine.

COVID-19 vaccines are now available in a variety ... Some people have also reported less-common side effects, including skin rashes and arm swelling more than a week after vaccination.

Ibrahim Rayintakath Supported by By Dani Blum Nina Agrawal and Alice Callahan Five years — and hundreds of millions of cases — after the World Health Organization declared the Covid-19 ...