Medical Breakthroughs
200

Discovered in 1928, this groundbreaking substance revolutionized medicine by combatting bacterial infections

Penicillin

300

In 1796, Edward Jenner created the world’s first successful vaccine by using material from cowpox lesions to protect against this deadly disease

Smallpox

400

Invented in 1958, this device regulates abnormal heart rhythms and has saved millions of lives

Pacemaker

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