The Latest: Airlines could begin testing for coronavirus

The Latest on the coronavirus pandemic. The new coronavirus causes mild or moderate symptoms for most people. For some, especially older adults and people with existing health problems, it can cause more severe illness or death.
TOP OF THE HOUR:
—Putin extends Russia’s shutdown to May 11.—Britain working on virus contact tracing app.—France aims for 700,000 tests each week starting May 11.
—France, Spain reveal lockdown exits.
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WASHINGTON — President Donald