U.S., Aug. 18 -- Not the UNWTO, but the International Civil Aviation Organization (ICAO) may be setting the new trend to relaunch the travel and tourism industry in setting recommendation for airlines to operate.

ICAO guidelines are typically adopted by its 193-member countries.

Most airlines in the world are desperate to rebuild travel and tourism. Leaders in the aviaton industry are looking for guidance on how to relaunch their businesses and allow the traveling public to fly safelt. ICAO may take a lead together with a special United Nations initiative.

According to a report released by Reuters today airlines and airports will ask an UN-led task force meeting on Tuesday to recommend countries accept a negative COVID-19 test within 4...