The Clinical Description of Polio and Its Three Main Strains (380 words, 1 pages)
PolioPolio runs rampant in countries with very unhealthy sewage practices. Luckily, polio can be isolated from sewage, but anytime unclean water is let into a river, stream, lake, or other water body, it can spread into any unknowing person who uses that water to drink. People in the 30s, 40s ...
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