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  First known person to examine the relationship between disease and environment
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  Developed first life table
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  looked at a sliver of cork through a microscope lens and noticed some "pores" or "cells" in it
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  First to see and discover bacteria
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  claimed that there was a "life force" present in the molecules of all inorganic matter, including air and the oxygen in it, that could cause spontaneous generation to occur.
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  Severe acute respiratory syndrome a viral respiratory
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  Discovered the cell nucleus