The transmission of microorganisms can be divided into the following five main routes: direct contact, fomites, aerosol (airborne), oral (ingestion), and vectorborne. Some microorganisms can be transmitted by more than one route.

What are the 5 modes of transmission of infection?

The transmission of microorganisms can be divided into the following five main routes: direct contact, fomites, aerosol (airborne), oral (ingestion), and vectorborne. Some microorganisms can be transmitted by more than one route.

What are the 3 common modes of transmission of infection?

The modes (means) of transmission are: Contact (direct and/or indirect), Droplet, Airborne, Vector and Common Vehicle. The portal of entry is the means by which the infectious microorganisms gains access into the new host.

What are the sources and transmission of infection?

Three things are necessary for an infection to occur: Source: Places where infectious agents (germs) live (e.g., sinks, surfaces, human skin) Susceptible Person with a way for germs to enter the body. Transmission: a way germs are moved to the susceptible person.

What are the 6 main methods of disease transmission?

Students learn about different kinds of disease transmission using an infographic and a reading that describe the following types of transmission: direct, indirect, fecal-oral, droplet, airborne, vector.

What are the 8 modes of transmission?

Modes of transmission

  • Direct. Direct contact. Droplet spread.
  • Indirect. Airborne. Vehicleborne. Vectorborne (mechanical or biologic)

What are the 2 most common modes of transmission?

Direct: involves direct body surface to body surface contact and physical transfer of microorganism between an infected or colonized person to another person by touch. Indirect: involves contact between a person and a contaminated object. This is often a result of unclean hands contaminating an object or environment.

What are various modes of transmission of communicable diseases?

A communicable disease is one that is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids; breathing in an airborne virus; or by being bitten by an insect.

What are the indirect modes of transmission of infectious diseases?

Indirect contact infections spread when an infected person sneezes or coughs, sending infectious droplets into the air. If healthy people inhale the infectious droplets, or if the contaminated droplets land directly in their eyes, nose or mouth, they risk becoming ill.

What is the most common mode of transmission for infection?

a. Contact transmission. The most common mode of transmission, contact transmission is divided into two subgroups: direct contact and indirect contact.

What are the modes of transmission of infectious diseases?

Modes of Transmission. Indire ct Indirect transmission is when infectious agents are transmitted to new hosts through intermediates such as air, food, water, objects or substances in the environment, or other animals. Indirect Airborne transmission transmission has three subtypes: The infectious agent may be transmitted in dried secretions from…

What is meant by mode of transmission?

The route by which an infectious agent is transmitted from a reservoir to another host is called the mode of transmission. 2. Importanc e It is important for you to identify different modes of transmission, because prevention and control measures differ depending on the type. Various direct and indirect mod es of transmission are 3.

What is an example of direct transmission of disease?

Definitions• Direct Mechanisms of Disease Transmission – Directly From Person to Person – Examples: Direct Skin Contact Airborne (Aerosols) – From Mother to fetus Dr.T.V.Rao MD 24 25. Indirect Transmission• Indirect Mechanisms of Disease Transmission – Examples: Food & Waterborne Transmission Fomites Animal Vectors Dr.T.V.Rao MD 25 26.

What is an example of direct transmission of HIV?

4. DIRECT Transplacental transmission: transmission of an This refers to the infectious agent from a pregnant woman to her fetus through the placenta. An example is mother-to-child transmission (MTCT) of HIV.