Hashtag

1. The **discovery of antibiotics** in the 20th century, starting with penicillin, had a massive cultural impact. Which of the following is a key effect of this discovery?

A return to traditional herbal medicine

A decrease in human lifespan

A massive increase in the ability to treat infections, leading to longer lifespans

The end of all infectious diseases

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2. The **invention of the vaccine** by Edward Jenner in the late 18th century was a major turning point in public health. He developed the first vaccine against which disease?

Polio

Tuberculosis

Smallpox

Influenza

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