Which is a disease that was once isolated and rare but is now widespread throughout the world?
a. Acquired immunodeficiency syndrome (AIDS)
b. Smallpox
c. Malaria
d. Measles
ESSAYBID ANSWER
ANS: A
Smallpox has been eradicated; malaria and measles were not isolated and rare throughout the world. AIDS was once isolated and rare, but is now worldwide.
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