The Evolution of Infectious Diseases and Their Spread Through Direct and Indirect Contact Between Individuals (693 words, 3 pages)
Infectious diseases are diseases caused by pathogenic microorganismslike viruses, bacteria, fungi, and parasites and can be spread eitherdirectly or indirectly from one individual to another. They are transmittedthrough various routes including sexual transmission, oral transmission,direct contact, fecal-oral transmission, and vertical transmission. Thisessay explicates the evolution of infectious diseases. It also ...
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