Mar 23, 2023 · Overview The H1N1 flu, sometimes called swine flu, is a type of influenza A virus. During the 2009-10 flu season, a new H1N1 virus began causing illness in humans. It was often called …

Jun 8, 2024 · Causes Influenza is caused by viruses that infect the cells that line the nose, throat and lungs. Flu virus particles spread through breath, saliva, mucus or stool. Bird flu in humans can …

Feb 9, 2023 · Learn about the symptoms, causes, treatment, and prevention of this infectious disease transmitted to humans through mosquito bites.

Malaria spreads when a mosquito becomes infected with the disease after biting an infected person, and the infected mosquito then bites a noninfected person. The malaria parasites enter that person's …

Gonorrhea bacteria can infect the urethra, rectum, female reproductive tract, mouth, throat or eyes. Gonorrhea is most commonly spread during vaginal, oral or anal sexual activity. But babies can get …

Jan 23, 2021 · Dr. Andrew Badley discussing if you can infect someone after receiving the COVID-19 vaccine.

May 15, 2024 · Learn about symptoms, treatment and prevention of this common infection among older adults that causes nails to discolor and crumble.

Jul 24, 2025 · Ascariasis symptoms depend on the amount of roundworms in your body, which organs are infected and your immune system health. Most people have no symptoms at all. But having a …

Mar 6, 2025 · Chagas disease can cause a sudden, brief illness. This type of illness is known as acute. Or it can become a long-lasting, chronic condition. Both stages can be free of symptoms. Or there …

Apr 25, 2025 · Swollen lymph nodes usually occur as a result of infection from bacteria or viruses. Rarely, swollen lymph nodes are caused by cancer. Your lymph nodes, also called lymph glands, …