FILE PHOTO: A health worker receives an injection with a dose of the Pfizer-BioNTech COVID-19 vaccine, amid the coronavirus disease (COVID-19) outbreak, at Fuentelarreina primary healthcare centre in Madrid, Spain January 18, 2021. REUTERS/Sergio Perez/File Photo (REUTERS)
5 min read . 12:59 AM IST
Sam Fazeli
, Bloomberg
- Any new vaccine could have long-term risks, but most vaccine-related side effects tend to occur within the first two months of an inoculation