`historicalepidemics` Related Article Results

Infectious diseases are illnesses caused by the direct or indirect transmission of an infectious agent—such as bacteria, viruses, parasites, or fungi—from one host to another. These diseases are among the oldest threats to human health and have historically exerted profound effects on social, economic, and political structures. The spread of infectious diseases can occur through person-to-person contact, respiratory droplets, contaminated food and water sources, vectors such as mosquitoes, or in