Question

How can we avoid infections?

Answer 1

Infectious diseases

1. Infectious diseases are diseases caused by various pathogenic microorganisms such as viruses, bacteria, protozoans, fungi, and other parasites. These infectious diseases can be transmitted by animals, humans, insects, or other agents.
2. There are two ways of preventing a infectious diseases.

General Ways

1. Hygienic conditions should be maintained in the surroundings we live in. There should be limited exposure to airborne microbes by providing not-so-crowded living conditions.
2. Safe drinking water should be provided to prevent water-borne diseases.
3. Provide a clean environment that prevents the breeding of mosquitoes. This prevents the spread of vector-borne diseases.

Specific Ways

1. The immune system normally fights off microbes.
2. The cells of the immune system are specialized in killing infectious microbes.
3. Vaccination is a type of artificial active immunity.
4. Vaccination for various diseases are available and should be taken at appropriate ages and times.
5. Vaccination allows our immune system to build memory against a particular pathogen and will, therefore, prevent the occurrence of the disease in the future.