Question

Which cells have been used extensively by researchers to study vaccines, diseases and cell biology?

Answer 1

Answer:Animals have been used in the industrialized production of human vaccines since vaccine farms were established to harvest cowpox virus from calves in the late 1800s. From that point, and through the first half of the 20th Century, most vaccines would continue to be developed with the use of animals, either by growing pathogens in live animals or by using animal cells.

Explanation:

Answer 2

HeLa germ cell line