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COVID-19
(Encyclopedia)COVID-19, contagious viral disease caused by severe acute respiratory syndrome coronavirus 2, or SARS-CoV-2, a coronavirus that is genetically related to SARS-CoV, which causes SARS. Symptoms generall...antibiotic
(Encyclopedia)antibiotic, any of a variety of substances, usually obtained from microorganisms, that inhibit the growth of or destroy certain other microorganisms. Although for centuries preparations derived from ...food poisoning
(Encyclopedia)food poisoning, acute illness following the eating of foods contaminated by bacteria, bacterial toxins, natural poisons, or harmful chemical substances. It was once customary to classify all such illn...AIDS, in medicine
(Encyclopedia)AIDS or acquired immunodeficiency syndrome, fatal disease caused by a rapidly mutating retrovirus that attacks the immune system and leaves the victim vulnerable to infections, malignancies, and neuro...Browse by Subject
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