Respuesta :

Its True.

The development of smallpox vaccination is all thanks to the remarkable work of Edward Jenner. the Vaccine was invented on July 1, 1796.

Jenner infected an 8 yeard old boy with a pox on may 14, 1976. He keep working at the vaccine until he created a smallpox matter that stopped the development of the disease
Perplxxd

Your answer is:

True, and here's how!

On May 14, 1796, Jenner took fluid from a cowpox blister and scratched it into the skin of James Phipps, an eight-year-old boy. A single blister rose up on the spot, but James soon recovered. On July 1, Jenner inoculated the boy again, this time with smallpox matter, and no disease developed. The vaccine was a success.

Hoped this helped! -Perplxxd

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