<prompt> Quarantine was originally introduced as a protection against:PlagueTuberculosisAIDSMalaria  <response>: 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 