The likely break-through case based on a rapid test follows a known exposure in Gov. Phil Murphy's house, within days of the family returning from vacation, according to a statement.
Walmart did not mention whether there are pressing COVID-19 issues among the location's staff, but instead said it's making the move as part of an "ongoing company-initiated program."
Nidhi Rana, 18, and Ayush Rana, 21, were last seen around 9:30 p.m. on Sept. 1 when their car began floating toward a spot where the water flows underground toward the Passaic River.
The female and male were recovered about a day apart, according to the Mayor of Passaic, which has been searching for two young residents missing since last week's devastating flooding.