Quarantine was originally introduced as a protection against:: (A) Plague, (B) Tuberculosis, (C) AIDS, (D) Malaria
Answer is A. In 14th century, quarantine was introduced in Europe to protect against transmission of plague. Ships, crews, travellers were detained for a 40 day period. Also remember, list of Quarantinable diseases are: Diphtheria Infectious tuberculosis Plague Small pox Yellow fever SARS Viral hemorrhagic fever Cholera Flu