The World Health Organization ‘WHO’ defines immunization as “the process whereby a person is made immune or resistant to an infectious disease.”1 One can become immune to an infectious agent by 2 ways: • Active ...

Tuberculosis is a communicable chronic granulomatous disease caused by Mycobacterium tuberculosis. It usually involves the lungs but may affect any organ or tissue in the body.

Is properties and characteristics of the environment, either generalized or local, as they impinge on human beings and other organisms. Such as: Air and Water purity or pollution Access to open space The Visual ...

It’s the alteration of climate over long time periods variations in temperature, humidity and atmospheric pressure. The major reason of the earth's continued warming : The increase in carbon dioxide and other ...

Infection control is important in departmental workplaces or any other places.   There are specific diseases that can spread easily in our workplaces if controls are not in place.   To protect your own health as well ...

- Influenza, sometimes known as the flu, is a highly infectious respiratory infection caused by flu viruses that infect the nose, throat, and lungs. - Influenza is challenging for scientists to study because there are ...

Influenza disease commonly known “flu” is an infectious disease caused by (influenza virus). Influenza disease has many types A B and C. the most important one is type A which affect human pigs and birds and are the ...

Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It is one of the most severe illnesses of the winter season. Influenza is spread ...

Ancestors of the H5N1 bird flu viruses emerged in southern China in 1996, and caused large poultry outbreaks in Hong Kong in 1997, which resulted in 18 human infections. The bird outbreak was controlled, but H5N1 bird ...

Influenza viruses type A is a virus that affects mainly birds through worldwide poultry animals causing from mild to life threating symptoms.

Diabetes is the group of metabolic disorders sharing the common feature of hyperglycemia caused by defects in insulin secretion , insulin action , or most commonly both , and it is characterized by abnormally high of glucose ...

The administration of vaccinations into the outer layers of the skin is known as intradermal vaccination. The majority of vaccines are administered intramuscularly (IM) or subcutaneously (SC). Only a few vaccines are ...