Every day nearly 3 million people in the United States are getting the COVID-19 vaccine. And every new jab prompts new questions about what to expect after vaccination.
Last week I asked readers to send me their questions about vaccinations. Here are some answers.
Q: I have heard the COVID vaccine side effects, especially after the second dose, can be really bad. Should I be worried?
Short-lived side effects like fatigue, headache, muscle aches and fever are more common after the second dose of both the Pfizer-BioNTech and the Moderna vaccines, which each require two shots. (The Johnson & Johnson vaccine requires only a single shot.) Patients who experience
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