The International Air Transport Association (IATA) said there is a minuscule chance of catching COVID-19 on flights. The association said that since the start of the year there have been 44 cases of the virus in which transmission is thought to have been associated with a flight journey (inclusive of confirmed, probable and potential cases). Over the same period some 1.2 billion passengers have traveled. Dr. David Powell, IATA’s medical advisor, said that even if 90% of cases were unreported, it would still be one case for every 2.7 million travelers, which is “extremely reassuring.” He said the vast majority of published cases occurred before the wearing of face coverings inflight became widespread. IATA cited research by multiple airplane manufacturers that showed that aircraft airflow systems do control the movement of particles in the cabin, limiting the spread of viruses.