Question

How discovered vaccination? In which year?what is the work of vaccines?

Answer 1

Vaccination was discovered by Edward Jenner in year 1796 .He found the smallpox vaccine.It was the first successful vaccine to be developed.He followed up the observation that milkmaids who caught cowpox did not later catch smallpox showing that inoculated cowpox protected against inoculated smallpox

Answer 2

Answer:Vaccination was discovered by Edward Jenner in year 1796 .He found the smallpox vaccine.It was the first successful vaccine to be developed.He followed up the observation that milkmaids who caught cowpox did not later catch smallpox showing that inoculated cowpox protected against inoculated smallpox.

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