infection

Causing disease, especially by the presence of foreign microorganisms in the body, including bacteria, viruses or parasites.

Home » infection

Last Updated

October 7, 2025

Explore More

COVID-19 Vaccine Frequently Asked Questions
COVID-19 Vaccine Frequently Asked Questions
During the COVID-19 pandemic, public-private partnerships produced a novel vaccine for COVID-19. While COVID-19 is no longer a pandemic, the virus still persists much like influenza. Vaccines for C...
Sore muscles
Sore Muscles from Exercise
Exercise is an important part of a healthy, active lifestyle. It improves your heart and lungs and builds strong bones and muscles. However, exercise can cause sore muscles. This is common if you t...
Head cold
When a “Chest Cold” Is Something More
You probably know the feeling of having cold symptoms that move from your head into your chest. Many people call this a chest cold. The medical term for it is “acute bronchitis.” Bronchitis is an i...