More information has emerged about “COVID arm” — a delayed arm rash appearing after Moderna’s COVID-19 vaccine is administered — including likelihood, duration and treatment. Researchers examined 16 ...
Medically reviewed by Renee Nilan, MD Key Takeaways COVID arm rash is a reaction to the COVID-19 vaccine, usually occurring about a week after the Moderna shot.The rash causes redness, itching, and ...