Table 1.

Requirement in lockdown.

Country	Procedures (quarantine)
China	Since January 23, the city of Wuhan (11 million people) has been completely locked. China cut transportation links to the city and ordered the closure of many public spaces. All shops are closed except those selling food. Schools and universities have been already temporarily closed due to holidays. The government policy became very strict, officials kept going from door to door to force person stay home in isolation.
Italy	11 cities are in strict quarantine, all public places (bars, restaurants, town halls, libraries, schools), except pharmacies, has been closed. The government has imposed penalties of up to three months' imprisonment for violators.
France	Work is permitted if it is essential. Shopping is allowed and supermarkets are open throughout the lockdown. The person who wants to get out of his house must sign attestation explain the reason for leaving. Also, all sports activities have been stopped.
USA	Quarantine was delayed in the USA compared to China and Europe due to government strategies. The decision of U.S. president about COVID-19 has confused the country.