France has recorded its highest number of daily coronavirus infections in more than two months.
Figures released Wednesday showed 1,695 new cases within 24 hours.
With more than 30,000 deaths, France has the third highest death toll in Europe, behind the United Kingdom and Italy.
The city of Toulouse has introduced new rules requiring face masks on its busiest streets, with Paris and a number of other cities to follow.
France is not the only European nation to witness a resurgence of cases since the easing of lockdown measures.
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Spain on Wednesday reported its highest number of new cases since it began easing lockdown restrictions in June, with 1,772 infections.
The news came as Switzerland became the latest country to announce quarantine measures for travelers arriving from Spain, although its rules do not apply to travelers returning from the Canary and Balearic Islands.
Last month, the UK removed Spain from its list of countries exempt from quarantine, meaning people coming from any part of Spain must self-isolate for 14 days.
Separately, Germany will now require all travelers returning from the Belgian city of Antwerp to be quarantined, after the German disease control agency declared the city a “risk zone”.
And Greece saw its biggest increase in the number of single-day cases in weeks, with 124 new infections in the past 24 hours, although it did relatively well in the spring. Prime Minister Kyriakos Mitsotakis told the Greeks they should adhere to strict restrictions and warned against “complacency”.
What is happening elsewhere in the world?
In Afghanistan, a sample survey found that nearly a third of the population – or about 10 million people – could have been infected with coronavirus, according to the country’s health minister.
The results were the result of antibody tests performed on 9,500 people across the country, with support from the World Health Organization and Johns Hopkins University.
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Minister Ahmad Jawad Osmani said the majority of the cases were found in cities, with the capital Kabul the most affected. Many cases are said to have been asymptomatic.
Afghanistan has officially recorded around 36,000 infections and 1,200 deaths, but cases are reportedly massively underreported due to poverty and a health system strained by decades of conflict.
In Brazil, meanwhile, a prominent indigenous figure has died from complications from Covid-19.
Yawalapiti leader Aritana had fought to protect the Amazon and for the rights of indigenous groups. He tested positive for the coronavirus in July and was later transferred to intensive care.
Indigenous communities have been severely affected by the coronavirus epidemic in Brazil.
The country has the second highest number of deaths and infections in the world, with nearly 96,000 deaths and 2.8 million infections.