What is the history of infectious diseases and their impact on human populations?

Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of ... Sinusitis is an inflammation of the sinuses. It is often caused by bacterial (germ) infection. Sometimes, viruses and fungi (molds) cause it. As with bacteria, certain fungi live naturally on everyone's skin. There are two main fungal infections that infect people with eczema. One is caused by candida ... Infectious diseases are illnesses caused by harmful agents (pathogens) that get into your body. The most common causes are viruses, bacteria, fungi and ... Dec 20, 2019 ... Clinical evidence is mounting that Zika virus can contribute to Guillain-Barré syndrome which causes temporary paralysis, yet the mechanism ... Affiliations. 1 Department of Pediatric Oncology, Hematology and Clinical Immunology, Heinrich-Heine University Dusseldorf, Medical Faculty, Dusseldorf, ... Feb 8, 2024 ... What Causes a Tooth Infection? ... A man sits on a couch and is holding his left hand to his mouth as Tooth infections commonly start with tooth ... Jan 1, 2025 ... Some studies have found DNA from herpes simplex virus 1 and 2 (the viruses that cause cold sores and genital sores) more often in the brains of ... Nov 22, 2021 ... Shared insight on how disruption of the gut microbiome may occur based on antibiotic exposure, environmental factors, and diet. Jun 1, 2023 ... Vaginal yeast infections occur when the yeast that normally grows in the vagina overwhelms the healthy bacteria that is also present.