Edward Jenner discovered vaccinations. He found that some of the dairymaids who worked with cows had suffered lesions on their hands, and that these dairymaids were immune to the more severe smallpox. Which best explains why the dairymaids were immune to smallpox?
1They did not interact with many people so they were not exposed to the pathogen.
2They frequently washed their hands so they were able to wash away the pathogen.
3They were exposed to cowpox, and the substance their body produced to fight cowpox also attacked smallpox.
4They breathed the air around the cows that carried an antipathogen in it that destroyed the pathogen.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Edward Jenner discovered vaccinations. He found that some of the dairymaids who worked with cows had suffered lesions on their hands, and ...” in 📗 Biology if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
A patient is suffering from pain in the right hypochondriac region of the body. which organs might be located in this region?
Answers (1)
Why do two wet glass slides stick together
Answers (1)
What is parenthood or society in a world that includes clones?
Answers (1)
Are humans coelomate body plan or acoelomate body plan? Explain
Answers (1)
Identical twins are produced from the same sperm and egg (which splits after the first mitotic division), whereas fraternal twins are produced from separate sperm and separate egg cells.
Answers (1)
New Questions in Biology
Cameron is collecting data to determine the time of completion for each stage of germination in seeds. He is using bean seeds for his investigation and recording his results. He repeats his data collection many times to obtain reliable results.
Answers (1)
Which human action has not lead to significant changes in Earth's biomes?
Answers (1)
Which two characteristics of living things do viruses exhibit?
Answers (2)
You are studying the source of new virus that has recently infected humans. You suspect that the virus was transferred from other primates (they exhibit a similar infection), specifically chimpanzees, gorillas, or orangutans.
Answers (1)
According to the diagram liverworts are
Answers (1)