People wearing face masks walk on a street in Tunis, Tunisia, on Oct. 5, 2020. Tunisian Prime Minister Hichem Mechichi announced on Oct. 3 a series of measures to limit the rapid spread of COVID-19 in Tunisia. (Photo by Adel Ezzine/Xinhua)

People wearing face masks wait to enter a post office in Tunis, Tunisia, on Oct. 5, 2020. Tunisian Prime Minister Hichem Mechichi announced on Oct. 3 a series of measures to limit the rapid spread of COVID-19 in Tunisia. (Photo by Adel Ezzine/Xinhua)

People wearing face masks wait to enter a supermarket in Tunis, Tunisia, on Oct. 5, 2020. Tunisian Prime Minister Hichem Mechichi announced on Oct. 3 a series of measures to limit the rapid spread of COVID-19 in Tunisia. (Photo by Adel Ezzine/Xinhua)

People wearing face masks wait to enter a post office in Tunis, Tunisia, on Oct. 5, 2020. Tunisian Prime Minister Hichem Mechichi announced on Oct. 3 a series of measures to limit the rapid spread of COVID-19 in Tunisia. (Photo by Adel Ezzine/Xinhua)