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 COVID-19 and the Human Body

Virus seems to start with a fever, followed by a dry cough and then, after a week, leads to shortness of breath and some patients needing hospital treatment. In this illustration, specific regions of the body are marked in relation to corona virus symptoms including: headache, sneezing, cough, shortness of breath and breathing difficulties, kidney failure, and fever.

 Influenza Pandemics Come in Waves

In 1918 to 1919, influenza killed at least 50 million globally, including 675,000 in the United States. In this graph, data are captured for the period from June 1918 to May 1919 which show the peaks and valleys in the number of deaths per 1,000 persons in the US due to influenza. The graph shows that deaths peaked three times between these dates: in July 1918, in mid-November 1918, and in March 1919. The most significant and longest sustained of the waves was between October 1918 and the end of January 1919. In October 1918 alone, the death rate reached 195,000 Americans.

 Goals of Community Mitigation

This graphic, a comparative wave graph, shows the possible impact of community mitigation and intervention during a pandemic outbreak versus the lack of intervention. In the wave that represents a Pandemic outbreak with no intervention, the number of daily cases increases sharply and more quickly than in the case of intervention. This illustrates the goals of community mitigation: To delay the outbreak’s peak, which in turn decompresses the peak burden on hospitals and infrastructure, with the result being diminished overall cases and health impacts.