The human body is susceptible to infections by many pathogens. Pathogens can include bacteria, viruses, parasites, and fungi. Diseases such as malaria, measles, leprosy, hepatitis and tuberculosis, and more recent infections due to HIV, EBOLA, Zika, and dengue fever are posing a serious threat to mankind with unacceptable mortality and morbidity. Infectious diseases not only cause illness and death but also can disrupt the socioeconomic progress of countries. Infectious diseases continue to be among the most serious public health problems around the world and may include UAE because of (i) There are no updated surveillance systems maintained in large parts of the world in particular the developing countries, (ii) International travel and migration in particular in the Gulf region, and (iii) Numerous outbreaks of drug-resistant microbes were documented around the world.