smallpox is a virus that causes a rash that then turns into painful blisters. the last known case of…

smallpox is a virus that causes a rash that then turns into painful blisters. the last known case of smallpox was in 1977. what is the best explanation for the eradication of smallpox?\no people are exercising more than they used to.\no genetic testing determines who is more prone to smallpox.\no there was an increase in antibacterial products.\no an effective vaccine was developed.

smallpox is a virus that causes a rash that then turns into painful blisters. the last known case of smallpox was in 1977. what is the best explanation for the eradication of smallpox?\no people are exercising more than they used to.\no genetic testing determines who is more prone to smallpox.\no there was an increase in antibacterial products.\no an effective vaccine was developed.

Answer

Answer:

An effective vaccine was developed.

Brief Explanations:

Vaccines can prevent and eradicate diseases. The small - pox vaccine was crucial in eliminating smallpox. Other options like exercise, genetic testing, and antibacterial products are not related to smallpox eradication.