Infectious diseases are caused by pathogens and are transmissible from person to person. Pathogens include bacteria, viruses, fungi, protozoa, and macroscopic organisms. These videos explain the causes and transmission of infectious diseases.
Infectious diseases are caused by pathogens and are transmissible from person to person. Pathogens include bacteria, viruses, fungi, protozoa, and macroscopic organisms. These videos explain the causes and transmission of infectious diseases.