What are the ways to transmit an infectious disease?

Currently, five transmission routes are known.
Fecal-oral transmission of all intestinal infections (diseases of dirty hands). A pathogenic microbe with feces, vomit of a patient or a bacillus carrier enters food products, water, dishes, and then through the mouth into the gastrointestinal tract of a healthy person, causing a disease.
All viral diseases of the upper respiratory tract spread by airborne droplets. The virus, when sneezing or talking, gets on the mucous membranes of the upper respiratory tract of a healthy person, who at the same time becomes infected and becomes ill.
The liquid route of transmission is characteristic of the so-called blood infections. The carriers of these diseases are blood-sucking insects (fleas, lice, ticks, mosquitoes).
Zoonotic infections are transmitted by wild and domestic animals, infection occurs with bites or in close contact with a sick animal.
Contact (contact-household) by infection is the majority of sexually transmitted diseases. This occurs during close communication of a healthy person with a patient. Fungal diseases on the skin and nails are also transmitted by contact-household methods.

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