Germany has become the latest country to close borders as European nations try to stem the spread of the coronavirus.
Its borders with France, Austria and Switzerland were shut on Monday morning, except for commercial traffic.
France is considering more stringent lockdowns, with its health chief saying the situation is “deteriorating fast”.
Meanwhile, the European Commission has proposed a temporary ban on non-essential travel to the European Union.
The measure would initially last for 30 days, and long-term residents in the EU, family members of EU nationals and diplomats would be exempt as well as cross-border and healthcare workers and people transporting goods.
The restriction must be approved by the 26 states that make up the borderless Schengen area. Non-Schengen members – including the UK – would be invited to take part.
There have been more than 174,000 confirmed cases of coronavirus and over 6,700 deaths, according to a tally from Johns Hopkins University.
The World Health Organisation last week it said Europe was now the “epicentre” of the virus and urged governments to act aggressively to control the spread of Covid-19, the disease caused by the coronavirus.
Leaders of the G7 nations are to hold a video conference on Monday to discuss a joint response to the pandemic.
Central banks around the world, including the US Federal Reserve and those in the UK, Japan, Canada, and Switzerland have cut interest rates and taken other measures to try to curb the economic turmoil.
But stock markets in Asia and Europe still fell and, on Wall St, trading was temporarily halted after the S&P 500 index dropped 8% on opening. It was the third time in six days that the session was interrupted.
The EU’s Internal Market Commissioner Thierry Breton said a recession was now expected, with a 2-2.5% negative growth.
Airlines are also continuing to slash flights as demand slumps.