Microbes and Infections

Infection and Diseases

Infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of the host's tissues to these organisms and the toxins they produce. The microorganisms are the microbes, that can cause disease come in different forms. Viruses and bacteria are the  probably the most of the familiar because we hear so much about them. But fungi, protozoa and helminths are also major players in the history of infectious diseases.