Fri, 28 Feb 2020 12:02
Infectious diseases often spread when bacteria, viruses, or other germs are passed from person to person, for example, through touching, kissing, or coughing and sneezing near uninfected people. Infectious diseases can be caused by: Bacteria – These one-cell organisms often help humans (e.g. by aiding with digestion), however some are responsible for diseases like pneumonia and […]
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