Last year, the company provided free tests to its warehouse employees as the tests were more difficult to procure. Warehouse workers were considered essential as they worked through the pandemic on packing and shipping orders.

For more reporting from the Associated Press, see below:

U.S. cases of COVID-19 last week increased by 17,000 nationwide over a 14-day period for the first time since late fall, and an increase in death historically follows a spike in illness. Much of the worsening problem is being driven by the Delta variant first identified in India, that has since hit the United Kingdom and other countries, said U.S. Surgeon General Vivek Murthy.

Health officials said Tuesday the Delta variant of the coronavirus continues to surge and accounts for an estimated 83 percent of U.S. COVID-19 cases.