Currently, more than 500 people are in intensive care in Tunisia, a level not seen in the North African country until now.
On Sunday, Tunisia began a week of coronavirus restrictions covering the Eid holiday as hospitals struggle to stay afloat amid COVID-19 cases.
Prime Minister Hichem Mechichi said on Friday that Tunisia was going through “the worst health crisis in its history” and that health facilities were at risk of collapse.
Until next Sunday, mosques, markets and non-essential shops must close, family or cultural meetings and celebrations are banned and travel between regions is banned.
An overnight curfew starts at 19:00 (18:00 GMT) instead of 22:00 and is valid until 5:00.
Schools have been closed since mid-April.
The shops on Avenida Habib Bourguiba, in the old city, in Tunis, and in the old city, were closed on Sunday, a correspondent for the AFP news agency said.
But the videos shared on social media seemed to show almost normal activity in several other parts of the country, including people without masks and who did not respect social distancing.
The Eid al-Fitr holidays that mark the end of Ramadan are traditionally a time when Muslim families and friends gather.
This year, the holidays are expected to begin on Thursday.
Tunisia, a country of nearly 12 million, has officially registered more than 319,000 cases of coronavirus and 11,350 deaths.
There are currently more than 500 people in intensive care, a level not seen in the North African country until now.
The country has set up field hospitals to deal with the influx of patients.
He is also struggling to meet his oxygen needs and has called for help from European countries and even neighboring Algeria, which is battling its own health crisis.
A vaccination campaign started in mid-March, a month later than expected, is progressing more slowly than expected.
“The number of patients in hospitals has almost doubled in just one month,” said Amen-Allah Messadi, a doctor in the country’s COVID-19 scientific working group.
He added that oxygen consumption had “multiplied by four or six”.
“The situation is very serious,” he said.