Certain drugs can affect the efficacy of Sinovac's Covid-19 vaccine

Certain medications used to treat autoimmune rheumatic diseases like rheumatoid arthritis, lessen the protection provided by the Sinovac vaccine against Covid-19. — Filepic

Researchers at the University of São Paulo’s Medical School (FM-USP) in Brazil have found that some types of medication used to treat patients with autoimmune rheumatic diseases, such as rheumatoid arthritis, can weaken the immune response to Covid-19 induced by vaccines.

The researchers set out appraise the safety and efficacy of CoronaVac (more popularly known as the Sinovac vaccine) in patients with nine types of autoimmune rheumatic disease.