i) The grouping of blood into various blood groups by Land Steiner in 1900.
ii) Discovery of Penicillin/antibiotic by Dr. Alexander Fleming in 1928 prolonged the lives by treating infections.
iii) Discovery of polio vaccine by Jona Edward in 1954.
iv) Transplant surgery by Dr. Christian Bernard in 1967 prolonged the lives of heart patients.
v) Kidney dialysis machine in 1943 prolonged the lives of kidney patients.
vi) Heart valve in 1961 has prolonged the lives through replacement of defective valves.
vii) Anti- retroviral has prolonged the lives of AIDS sufferers.
steve williams answered the question on November 10, 2017 at 08:53
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