Federal border authorities inspecting imported goods at ports of entry have blocked more than half a million counterfeit or prohibited items that claimed to treat and prevent the coronavirus.

Between the beginning of the pandemic in March and May 1, U.S. Customs and Border Protection seized 83,500 test kits, 425,000 face masks, 2,261 anti-virus lanyards, 8,700 chloroquine tablets, and 3,000 herbal medicine tablets that did not meet Food and Drug Administration and Environmental Protection Agency standards.