Why are these three events significant to health care in today's society? - 17th Century: William Harvey, an Englishman,

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Why are these three events significant to health care
in today's society?
- 17th Century: William Harvey, an Englishman, stated that blood
circulates throughout the body with a continuous network of
vessels. Only the mechanical aspects of the system were addressed.
Vehermently opposed at first, this discovery led to the realization
that medications could be injected into the circulatory system, and
the blood could be transfused.
- 18th Century: Edward Jenner (1749-1823) Demonstrated that
vaccination with cowpox provides immunity for smallpox. Countless
lives were saved, it opened the door into investigation for other
vaccines to be developed.
- 19th Century: Elizabeth Blackwell (1821-1910) was the first
woman MD in the United States. She opened the first nursing school
in the United States in 1860. Medical education opened for the
first time to females. Nursing was established as a profession in
the United States.
What are some current health care trends and challenges?
Reference: Introduction to Healthcare fifth edition.