; (2) improve coordination among airports, air carriers, U.S. Customs and Border Protection, the Centers for Disease Control and Prevention, other appropriate Federal entities, and State and local governments or health agencies on developing policies that increase the effectiveness of screening, quarantining, and contact-tracing with respect to inbound international passengers; (3) ensure that at-risk employees are equipped with appropriate personal protective equipment to reduce the likelihood of exposure to pathogens in the event of a pandemic; (4) ensure aircraft and enclosed facilities owned, operated, or used by an air carrier or airport are cleaned, disinfected, and sanitized frequently in accordance with Centers for Disease Control and Prevention guidance; and (5) incorporate all elements referenced in the recommendation of the Comptroller General of the United States to the Secretary of Transportation contained in the report titled Air Travel and Communicable Diseases: Comprehensive Federal Plan Needed for U.S. Aviation System’s Preparedness issued in December 2015 (GAO–16–127). (c) Consultation When developing a plan under subsection (a), the Secretary of Transportation shall consult with aviation industry and labor stakeholders, including representatives of— (1) air carriers; (2) small, medium, and large hub airports; (3) labor organizations that represent airline pilots, flight attendants, air carrier airport customer service representatives, and air carrier maintenance, repair, and overhaul workers; (4) the labor organization certified under section 7111 of title 5, United States Code, as the exclusive bargaining representative of air traffic controllers of the Federal Aviation Administration; (5) the labor organization certified under such section as the exclusive bargaining representative of airway transportation systems specialists and aviation safety inspectors of the Federal Aviation Administration