The coronavirus epidemic shifted increasingly westward toward the Middle East, Europe and the United States on Tuesday, with governments taking emergency steps to ease shortages of masks and other supplies for front-line doctors and nurses.

“We are concerned that countries’ abilities to respond are being compromised by the severe and increasing disruption to the global supply of personal protective equipment, caused by rising demand, hoarding and misuse,” said World Health Organization Director-General Tedros Adhanom Ghebreyesus. “We can’t stop COVID-19 without protecting our health workers.”

Worldwide, more than 93,000 people have been infected and over 3,100 have died, the vast majority of them in China. The number of countries hit by the virus exceeded 70, with Ukraine and Morocco reporting their first cases.

Read more: Associated Press