EVERYDAY SCIENCE

Detailed explanation-1: -Direct contact infections spread when disease-causing microorganisms pass from the infected person to the healthy person via direct physical contact with blood or body fluids. Examples of direct contact are touching, kissing, sexual contact, contact with oral secretions, or contact with body lesions.

Detailed explanation-2: -Contact Diseases are transmitted when an infected person has direct bodily contact with an uninfected person and the microbe is passed from one to the other. Contact diseases can also be spread by indirect contact with an infected person’s environment or personal items.

Detailed explanation-3: -Pathogens cause illness to their hosts through a variety of ways. The most obvious means is through direct damage of tissues or cells during replication, generally through the production of toxins, which allows the pathogen to reach new tissues or exit the cells inside which it replicated.

Detailed explanation-4: -Pathogens can be transmitted a few ways depending on the type. They can be spread through skin contact, bodily fluids, airborne particles, contact with feces, and touching a surface touched by an infected person.

Detailed explanation-5: -These are diseases caused by microorganisms that are spread by person-to-person contact or indirect contact with contaminated objects.