IMMUNOLOGY

Detailed explanation-1: -Infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another. This can happen when an individual with the bacterium or virus touches, kisses, or coughs or sneezes on someone who isn’t infected.

Detailed explanation-2: -Infectious diseases spread from one infected person to a healthy person. They are spread by various agents such as water, food, vectors, etc. Water-borne diseases are spread by the consumption of contaminated water such as cholera.

Detailed explanation-3: -Infectious diseases are illnesses caused by harmful agents (pathogens) that get into your body. The most common causes are viruses, bacteria, fungi and parasites. Infectious diseases usually spread from person to person, through contaminated food or water and through bug bites.

Detailed explanation-4: -Nose, mouth, or eyes to hands to others: Germs can spread to the hands by sneezing, coughing, or rubbing the eyes and then can be transferred to other family members or friends. Hands to food: Food to hands to food: Infected child to hands to other children: Animals to people: 04-Oct-2022