Sometimes people get contagious diseases by touching or using something an infected person has touched or used — like sharing a straw with someone who has mono or stepping into the shower after someone who has athlete's foot. And sexually transmitted diseases STDs are spread through all types of sex — oral, anal, or vaginal. You can help protect yourself against contagious diseases by washing your hands well and often, staying away from those who are sick, making sure you're up to date on all vaccinations, and always using condoms during any type of sex.
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Users are advised to confirm the application or payment by other means. 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. Request an Appointment at Mayo Clinic. What are superbugs and how can I protect myself from infection?
Share on: Facebook Twitter. Show references Facts about infectious disease. 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. Germs are a part of everyday life and are found in our air, soil, water, and in and on our bodies.
Some germs are helpful, others are harmful. Many germs live in and on our bodies without causing harm and some even help us to stay healthy. Only a small portion of germs are known to cause infection. An infection occurs when germs enter the body, increase in number, and cause a reaction of the body. A Source is an infectious agent or germ and refers to a virus, bacteria, or other microbe.
In healthcare settings, germs are found in many places. People are one source of germs including:. People can be sick with symptoms of an infection or colonized with germs not have symptoms of an infection but able to pass the germs to others.
Germs are also found in the healthcare environment.
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