"San Francisco is banning reusable shopping bags to prevent outside germs from entering grocery stores as the coronavirus pandemic affects cities around the country,
The new ordinance from the San Francisco Department of Public Health aims to reinforce existing social distancing protocols by restricting customers from bringing their own bags, mugs, or other reusable items to essential stores, according to a statement.
San Francisco was one of the first cities in the U.S. to ban the use of plastic shopping bags in 2007 to reduce the environmental impact caused by plastic waste, according to SFGate.com."
Source: The Hill, 04/03/2020