Infectious disease
Viruses and bacteria can cause a variety of infectious diseases. Prevention and proper treatment are essential.
Infectious disease
Viruses and bacteria can cause a variety of infectious diseases. Prevention and proper treatment are essential.
Featured conditions
Flu
Influenza (flu) is an easily spread respiratory tract infection. It's caused by a virus. Millions of people get the flu each year. The flu usually starts abruptly, with fever, muscle aches, sore throat, and a cough. Getting a flu shot is the most effective way to prevent severe illness and slow down the spread of flu in your community.
COVID
Coronavirus disease 2019 (COVID-19) is an infectious disease that most often causes a respiratory illness. It's caused by a virus called SARS-CoV-2. There are many types of coronavirus. Getting a COVID vaccine is the most effective to prevent severe illness from the disease.