Some grocery store chains set some operating hours for serving only senior citizens over 60 years due to the coronavirus pandemic .
Walmart announced March 14 that locations normally open 24 hours would instead operate from 6:00 a.m. to 11:00 p.m . Some grocery store chains , including Stop & Shop and Dollar General , devoted a portion of their operating hours to only serve senior citizens over the age of 60 .
2020 coronavirus pandemic in the United States