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Tag: covid-19 vaccine

Closeup of vials of vaccines in background with one being punctured by a vaccine needle in foreground.
July 6, 2023/Infectious Disease

How Are Vaccines Developed and How Do They Work?

They can stop an infection before it gets you sick or prevent you from becoming seriously sick

Person drinking water.
March 31, 2023/Infectious Disease

Know Your Treatment Options for COVID-19

From antiviral meds to preventive therapy, the options are greater than ever

someone taking an at-home covid test
March 21, 2023/Infectious Disease

Can You Still Use an Expired COVID-19 Test?

Antibodies used to detect the virus can weaken over time, so results may not be reliable

woman getting vaccine in arm at doctor's office

Why Vaccine Shots Can Hurt and How To Prevent It

Pain after a vaccine is normal — but here's how you can avoid it

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covid vaccine swollen lymph nodes
September 16, 2021/Infectious Disease

Swollen Lymph Nodes After COVID-19 Vaccine: Why You Shouldn’t Be Alarmed

Our expert explains why swollen lymph nodes happen

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