WINDOW ROCK, Ariz. — Navajo Nation officials have reported 10 additional deaths from COVID-19 as the tribe’s sprawling reservation remains under the latest weekend lockdown imposed to combat the coronavirus outbreak.

The tribe’s death toll rose to 396 as of Friday.

Tribal officials also reported 56 additional confirmed COVID-19 cases, increasing the reservation’s total to nearly 8,100. The number of infections is thought to be far higher because many people have not been tested. Studies suggest people can be infected with the virus without feeling sick.

The lockdown began Friday night and ends at 5 a.m. Monday. All businesses on the Navajo Nation are also required to close during the lockdown.