It comes from the bite of an infected tick. Contagious diseases such as the flu, colds, or strep throat spread from person to person in several ways. One way is through direct physical contact, like touching or kissing a person who has the infection.
In the meantime, that leaves us with the other two actions — isolating sick individuals and mask-wearing. However, we are not helpless until a vaccine comes. See how we can end this pandemic , together. John Lowe, PhD, assistance vice chancellor for health security, looks at the science behind masks, who should wear them, and who shouldn't as Omaha debates a mask mandate. We have received many questions about the risk levels associated with various activities.
Will we see a second wave in the fall? Can kids go back to school? By signing up, you are consenting to receive electronic messages from Nebraska Medicine. Published July 31, twitter facebook.
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Do you have an emergency? Close overlay Button to close overlay. Ways infectious diseases spread On this page Germs can spread through: the air as small droplets droplet spread or tiny aerosol particles airborne spread contact with faeces poo and then with the mouth faeco-oral spread contact with the skin or mucus membranes the thin moist lining of many parts of the body such as the nose, mouth, throat and genitals contact spread blood or other body fluids for example, urine, saliva, breastmilk, semen and vaginal secretions.
Germs can spread: directly from person to person or indirectly from an infected person to the environment for example toys, door handles, bench tops, bedding and toilets and then to another person who comes in contact with the contaminated environmental source.
Germs can enter the body through the: mouth respiratory tract eyes genitals broken skin. Some infections can be spread in several different ways. Spread through the air by droplets Some infections are spread when an infected person talks, coughs or sneezes small droplets containing infectious agents into the air.
Examples of droplet spread diseases: common cold flu meningococcal disease rubella. Spread through the air by aerosol Some infections are spread when an infected person talks, breathes, coughs or sneezes tiny particles containing infectious agents into the air. Examples of airborne spread diseases: chickenpox measles tuberculosis TB Spread through faeces and then the mouth faecal-oral spread Some infections are spread when microscopic amounts of faeces poo from an infected person with symptoms or an infected person without symptoms a carrier are taken in by another person by mouth.
The faeces may be passed: directly from soiled hands to the mouth indirectly by way of objects, surfaces, food or water soiled with faeces. Examples of diseases spread from faeces: Campylobacter infection Cryptosporidium infection Giardia infection hand, foot and mouth disease hepatitis A meningitis viral rotavirus infection Salmonella infection Shigella infection thrush viral gastroenteritis worms Yersinia infection. Infectious Disease Society of America. Accessed May 29, Jameson JL, et al.
Approach to the patient with an infectious disease. In: Harrison's Principles of Internal Medicine. New York, N. Clean hands count for safe health care. Centers for Disease Control and Prevention. Kumar P, et al. Infectious diseases and tropical medicine. In: Kumar and Clark's Clinical Medicine. Philadelphia, Pa. LaRocque R, et al. Causes of infectious diarrhea and other foodborne illnesses in resource-rich settings.
Ryan KJ, ed. Infectious diseases: Syndromes and etiologies. In: Sherris Medical Microbiology. File TM, et al. Epidemiology, pathogenesis, and microbiology of community-acquired pneumonia in adults. Accessed May DeClerq E, et al.
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