FILE - In this Monday, March 8, 2021 file photo, a health worker shows the media how she prepares a dose of the AstraZeneca vaccine to be administered to a patient at a vaccination center set up in front of Rome's Termini central station. AstraZenecas release of encouraging data about its coronavirus vaccine from its U.S. trial raised hopes that the drug company could bury doubts about the shot and put a troubled rollout behind it. But just hours later, U.S. officials released an unusual statement expressing concerns AstraZeneca had included outdated information from its study and that it may have provided an incomplete view of the efficacy data. (AP Photo/Alessandra Tarantino, File)(Copyright 2021 The Associated Press. All rights reserved)

DON’T skip your usual medications on the day of your vaccination, but DO avoid taking antihistamines, ibuprofen or acetaminophen if you don’t need to. DO sign up for the CDC’s text-based symptom monitoring system called V-Safe right after you get your shot. sign up for the CDC’s text-based symptom monitoring system called V-Safe right after you get your shot. DO be prepared if you’re asked about your availability to schedule the second shot in three to four weeks, depending on the vaccine you receive. If you get the Pfizer or Moderna COVID vaccine: DON’T miss that second shot -- it’s essential to reach your full protection against the virus.