1The city implemented a strict quarantine policy to contain the outbreak of the virus.
2After returning from a country with a high risk of disease transmission, the traveller was placed under quarantine for 14 days.
3The quarantine station was set up at the airport to screen passengers arriving from affected areas.
4The World Health Organization recommended a quarantine period of at least 21 days for individuals suspected of having contracted the disease.
5Historically, quarantine has been used to control the spread of diseases such as the plague and cholera in urban areas.