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What are the 3 factors that cause disease?

What are the 3 factors that cause disease?

Infectious diseases can be caused by:

  • Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
  • Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
  • Fungi.
  • Parasites.

What are the factors that influence disease transmission?

Six factors are involved in the transmission of communicable diseases: the infectious agent, the reservoir, route of exit, mode of transmission, route of entry, and the susceptible host. A reservoir is a human, another animal, or a non-living thing (such as soil), where the infectious agent normally lives.

How can we prevent the emergence and re emergence of diseases?

Improve methods for gathering and evaluating surveillance data. Ensure the use of surveillance data to improve public health practice and medical treatment. Strengthen global capacity to monitor and respond to emerging infectious diseases.

How many types of infection are there?

Millions of different viruses may exist, but researchers have only identified about 5,000 types to date.

What is the difference between a pathogen and a virus?

A pathogen is a living thing that causes disease. Viruses and bacteria can be pathogens, but there are also other types of pathogens. Every single living thing, even bacteria themselves, can get infected with a pathogen. The world is full of pathogens.

What is the most common type of viral disease?

The most common type of viral disease is the common cold, which is caused by a viral infection of the upper respiratory tract (nose and throat). Other common viral diseases include: Chickenpox. Flu (influenza)

What are 3 ways to protect against pathogens?

Learn these healthy habits to protect yourself from disease and prevent germs and infectious diseases from spreading.

  1. Handle & Prepare Food Safely.
  2. Wash Hands Often.
  3. Clean & Disinfect Commonly Used Surfaces.
  4. Cough & Sneeze Into Your Sleeve.
  5. Don’t Share Personal Items.
  6. Get Vaccinated.
  7. Avoid Touching Wild Animals.