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As the battle against the SARS-CoV-2 virus takes it toll on the global economy, no industry has been harder hit than aviation. In the United States, the major carriers have seen passenger numbers and revenue plummet. In 2019, the United States transportation security administration (TSA) screened around 2.5 million passengers every day across the U.S., with some variation according to the day of the week. In April 2020, that dropped to between 90,000 and 130,000 passengers.