The Food and Drug Administration (FDA) will no longer block the import of KN95 masks, due to a shortage in personal protective equipment, or PPE, in the United States, an agency official first told Buzzfeed News. The masks have been described as the Chinese equivalent of an N95 mask which U.S. health care workers use to protect themselves from airborne bacteria and viruses. Though they are allowing imports of the KN95 mask, the product is not FDA-approved, meaning those who use it do so without legal protections. The Centers for Disease Control and Prevention (CDC) has included the KN95 mask...