The Spread Of Smallpox

There were several factors that aided in the spread of smallpox. Age did not matter when first exposed to smallpox – all age groups were affected. However, it did matter if a population was already exposed to smallpox, either via vaccination or inoculation. In populations already exposed, there were more cases with sick children compared to (Fenner). However, there were adult cases. From 1974-1975, 21% of the cases reported in India were older than 20 years and 2% were older than 50 years (Henderson et al). Physiological factors also helped the spread of smallpox. Other than immunodeficiency, women who were pregnant were most susceptible to smallpox, followed by malnourished people. Nurses and doctors who were exposed to smallpox patients were