The rising number of COVID-19 cases thanks to the Delta variant is taking over the country a year and a half after the initial spread led to closures and lockdowns. Some of America's favorite fast-food chains have either closed their dining rooms or are thinking about it . Grocery stores are seeing shoppers panic buy essentials like toilet paper, snacks, and water and it's leading to shortages. They also still have safety measures in place—with some updates. Costco was a mega hotspot to get all the essentials needed to stay at home when lockdowns started, and the warehouse chain quickly added policies to keep employees and customers safe as they shop. The official list was just updated at the end of August, and below is everything you need to know about the rules that are still in place. Related: Best Supplements To Buy at Costco, Say Experts 1 Face mask requirements depend on the state. When the CDC announced its updated face mask recommendations for vaccinated