Safety Monitoring of an Additional Dose of COVID-19 Vaccine — United States, August 12–September 19, 2021 | MMWR
COVID vaccines and safety: what the research says
Early data suggest side effects after Covid booster similar to second dose
Those Who Had COVID-19 May Only Need One Dose of Vaccine | Penn Medicine
Comparing Pfizer, Moderna COVID-19 vaccine side effects, ingredients
Vaccines | Free Full-Text | The Side Effects and Adverse Clinical Cases Reported after COVID-19 Immunization
Covid: Pfizer and Moderna jabs give best overall boost, UK trial finds - BBC News
What you should know if you can pick between the Pfizer, Moderna and Johnson & Johnson vaccines
COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases
Q&A: Vaccine side effects | HonorHealth
Getting the Moderna COVID-19 Vaccine
Vaccines | Free Full-Text | Side Effects and Perceptions Following COVID-19 Vaccination in Jordan: A Randomized, Cross-Sectional Study Implementing Machine Learning for Predicting Severity of Side Effects
Health Matters: What to Expect After Getting the COVID-19 Vaccine | ARLnow.com
Know Your Vaccines (Vaccine Matrix: Current Evidence) | Department of Health website
Why You Need to Get Both COVID-19 Vaccine Shots
CDC on Twitter: "Some people have side effects after getting their #COVID19 vaccine, but these usually go away within a few days. Side effects after your second shot may be more intense
Covid vaccine side effects: What it's like in Pfizer, Moderna trials
I got AstraZeneca for my first dose. Which should I get for my second?' A COVID vaccination guide - Healthy Debate
Are MRNA Vaccines Safe | COVID-19 Prevention Network
Why vaccine side effects might be more common in people who've already had COVID-19 | Gavi, the Vaccine Alliance
What to Expect after Getting the COVID-19 Vaccine - Richmond City Health Department
