Understanding COVID-19 vaccine side effects, why second dose could feel worse

All vaccines could cause some degree of reaction, and the same is true for COVID-19 vaccines. Post-vaccine symptoms are typically mild and resolve quickly without the need to use any medication. Common COVID-19 vaccine side effects include: Redness or soreness at injection site.Muscle aches.Fatigue.Headache.Fever or chills. For some people, the second dose in a COVID-19 vaccine series [...]
Source: News from Mayo Clinic - Category: Databases & Libraries Source Type: news