From today until July 6, you can make a difference by donating in-store, online, or through the Walmart app while shopping at Walmart or Sam’s Club. Every contribution, no matter the size, can bring comfort and help kids at your local Children’s Miracle Network Hospital, Johns Hopkins All Children’s. * Donations made at locations in the following counties will benefit Johns Hopkins All Children’s Hospital: Citrus, De Soto, Hardee, Hernando, Highlands, Hillsborough, Manatee, Pasco, Pinellas, Polk and Sarasota.