
A COVID-19 surge in the United States is stretching oxygen supplies and sending hospitals scrambling for more ventilators, even as there are signs of hope that the spread of the virus is slowing down in pockets of the country.

A COVID-19 surge in the United States is stretching oxygen supplies and sending hospitals scrambling for more ventilators, even as there are signs of hope that the spread of the virus is slowing down in pockets of the country.