On today's episode of Ask the Doctor, Dr. Amita Gupta, MD MHS Professor of Infectious Diseases and International Health, Faculty co-Chair of the Johns Hopkins India Institute, Johns Hopkins University; S. Vincent Rajkumar, MD, Editor in Chief, Blood Cancer Journal, Professor of Medicine, Mayo Clinic Rochester, Minnesota, USA; and Dr Aju Mathew, Oncologist and Epidemiologist, based in Kerala; assure that all vaccines are safe, no matter what brand they are. While mRNA vaccines have shown maximum efficacy, doctors insist people must get vaccinated with whatever is available, because reducing severe disease and deaths is the end goal.