Web8 sep. 2024 · What is the flu? Influenza, or the flu, is a viral infection that attacks the lungs, nose, and throat. It’s a contagious respiratory illness with symptoms ranging from mild to … Web27 okt. 2024 · The main way COVID-19 spreads from person to person is thought to be through large respiratory droplets expelled from an infected person when they exhale, …
What you need to know about the avian influenza outbreak
Web27 feb. 2024 · Tuberculosis (TB) is transmitted from an infected person to a susceptible person in airborne particles, called droplet nuclei. These are 1–5 microns in diameter. These infectious droplet nuclei ... Web13 jul. 2024 · Direct Contact Transmission. Close physical contact is required to transmit some diseases, as the germs can't survive for any time away from a host (the body). 6 … fitness club lyon
Coronavirus disease (COVID-19): How is it transmitted?
Web6 mei 2016 · For transmission of a virus to occur, a virus must enter a host through a portal of entry, replicate or disseminate within the host, and be transmitted to a new host through a portal of exit. Unless delivered directly into bodily tissues through a bite or needle, most viruses interact with the epithelium at the site of entry. WebDiseases where person-to-person spread occurs rarely, if ever. Some infectious diseases are almost never spread by contact with an infected person. These diseases are usually spread by contact with an environmental source such as animals, insects, water or soil. Examples of diseases spread by contact with animals: cat-scratch disease; hydatid ... Web8 mrt. 2024 · They’re very contagious and are mostly transmitted via the fecal-oral route. People typically contract the infection by consuming contaminated food or water. can i beat a speeding ticket