Costco says it is giving priority store access to first responders and health care workers as the company rolls out new initiatives aimed at slowing the spread of the coronavirus. LOS ANGELES - Costco has updated its policy page regarding its response to the novel coronavirus, saying that all "Costco members and guests must wear a mask or face covering that covers the mouth and nose at all times while at Costco." The policy will go into effect May 4."This requirement does not apply to children under the age of 2 or to individuals who are unable to wear a mask or face covering due to a medical condition," according to Costco's updated page, noting that the use of a face mask or covering should not serve as substitute for social