subject
Biology, 24.07.2019 11:00 gabriellarose2930

Smallpox is a virus with a fatality rate of about 30%, and those that survive the disease have terrible scarring and lingering problems. edward jenner is famous for a now notorious experiment in which he developed the first vaccine for smallpox. in the experiment jenner first exposed a small boy to cowpox, which is relatively harmless. the boy got cowpox and recovered. jenner then exposed the boy to smallpox by walking him through a hospital ward. the boy lived. which conclusion is not valid? a) cowpox virus can be used as a vaccine against smallpox. b) immunity to cowpox virus also grants immunity to smallpox. c) cowpox virus and smallpox virus are probably very similar. d) smallpox virus would be a good choice for a vaccine against cowpox.

ansver
Answers: 1

Other questions on the subject: Biology

image
Biology, 21.06.2019 19:50, karinapenn8259
Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.
Answers: 3
image
Biology, 22.06.2019 02:30, sydneyharding36191
Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant
Answers: 2
image
Biology, 22.06.2019 03:50, yugbug44owwc7w
Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,
Answers: 2
image
Biology, 22.06.2019 11:00, yasarhan2
Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.
Answers: 1
You know the right answer?
Smallpox is a virus with a fatality rate of about 30%, and those that survive the disease have terri...

Questions in other subjects: