The graph gives the number of varicella (chicken pox) cases between 1972 and 2011. Varicella is an infectious disease caused by a virus. The disease causes rash, itching, and fever in patients. The varicella vaccine was introduced in 1995. What can you conclude about the vaccine?

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Chemistry

Big Foot

18 January, 07:04

The graph gives the number of varicella (chicken pox) cases between 1972 and 2011. Varicella is an infectious disease caused by a virus. The disease causes rash, itching, and fever in patients. The varicella vaccine was introduced in 1995. What can you conclude about the vaccine?

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Katherine Howard · Answer 1

It was successful in eradicating chicken pox from the United States.

It had no effect on the rate of chicken pox cases in the United States.

It caused a 10% decrease in the number of chicken pox cases in the United States from 1995 to 2011.

It initially caused a large drop in chicken pox cases in the United States