![A woman wearing face mask sits in the train at the subway during the mandatory self-isolation amid coronavirus disease outbreak, in Moscow, Russia, April 2020.](/sites/default/files/multimedia_images_2020/202004eca_russia_moscow_0.jpg)
A woman wearing face mask sits in the train at the subway during the mandatory self-isolation amid coronavirus disease outbreak, in Moscow, Russia, April 2020.
© 2020 Vladimir Pesnya / Sputnik via AP
A woman wearing face mask sits in the train at the subway during the mandatory self-isolation amid coronavirus disease outbreak, in Moscow, Russia, April 2020.