The general signs of infectious diseases include fever, diarrhea and fatigue etc.
Nowadays due to pollution and stressful lives, there are lot of diseases spread in the environment that affect the body strength of individuals as well as the animals.
Infectious diseases continue to be the major causes of mortality in countries. Well known existing, emerging and re-emerging diseases like schistosomiasis, lymphatic filariasis, sleeping sickness and others are causing suffering and mortality to a wide population in developing countries.
The negative effect of people's views about infectious diseases on the health and safety of people can be far-reaching. People who have negative views about infectious diseases can be reluctant to practice necessary safety protocols, or get required vaccinations.