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Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Faulty outlooping produces lambda phage containing bacterial DNA Faulty outlooping produces lambda phage containing bacterial DNA
Types of pathogenic organisms: (a) bacterium, (b) virus, (c) protozoan pathogens, (d) multicellular ... Types of pathogenic organisms: (a) bacterium, (b) virus, (c) protozoan pathogens, (d) multicellular ...
Bird being tested for West Nile virus. Bird being tested for West Nile virus.
Structure of the hepatitis B virus. Structure of the hepatitis B virus.
The orange ball is a model of an HPV16 virus The orange ball is a model of an HPV16 virus
Infected T Cell with Budding HIV Virus Infected T Cell with Budding HIV Virus
Video: Lower Limb Arteries Animation

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