asked 177k views
2 votes
When Jenner developed the first vaccine he was using the observation of milk maids who After having cowpox they were immune to smallpox After having chickenpox they were immune to smallpox After being infected with the flu virus they were immune to smallpox After developing HIV they were immune to smallpox

asked
User Pfhayes
by
8.1k points

1 Answer

5 votes

Answer:

After having cowpox they were immune to smallpox

Step-by-step explanation:

answered
User Eric Wright
by
8.1k points
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