IMMUNOLOGY

Detailed explanation-1: -Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.

Detailed explanation-2: -An infection is a condition that occurs when pathogens enter the body, multiply, and damage cells.

Detailed explanation-3: -Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions. Pathogens of all classes must have mechanisms for entering their host and for evading immediate destruction by the host immune system.

Detailed explanation-4: -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-5: -Infectious diseases are often caused by pathogenic microbes. You get an infection when a pathogen enters your body and begins to multiply. Disease occurs when the cells in your body are damaged as a result of the infection and signs and symptoms of an illness appear.

Detailed explanation-6: -common cold. flu. meningitis. warts, including genital warts. oral and genital herpes. chickenpox/shingles. measles. viral gastroenteritis, including norovirus and rotavirus. More items