What were some of the major historical pandemics?

May 10, 2024 ... Key points. Campylobacter bacteria are a common cause of diarrheal illness. The illness is called campylobacteriosis. People most commonly get ... Mar 5, 2025 ... Infections are caused by micro-organisms such as bacteria, viruses, fungi, and parasites, otherwise known as germs. Those at greatest risk for bacterial pneumonia include people recovering from surgery, people with chronic respiratory disease or viral infection, children ... Nov 22, 2021 ... Shared insight on how disruption of the gut microbiome may occur based on antibiotic exposure, environmental factors, and diet. Oct 13, 2024 ... Streptomyces: Help the body produce antibodies to fight off infections5. Harmful Bacteria. Harmful bacteria cause damage to human health or the ... Multiple variables, from climate variations to the presence of wildlife carriers, cause rates of infections to vary dramatically from year to year—even within ... Apr 8, 2025 ... Causes · Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis. Upper respiratory infections are a contagious infection of your upper respiratory tract, caused by bacteria or a virus. ... caused by eczema), it may cause an infection. Staph is one of the most common causes of skin infections and can cause serious wound infections. Since the ... Sep 5, 2024 ... An infection in the skin around the toenail is called paronychia. It's normally caused by a bacterium. The toenail can also be infected with a fungus.