You may want to rethink flying without a mask. New research released by scientists at National Public Health Laboratory in Malaysia on the Covid-19 virus found that it was present on nearly every single flight tested. They analyzed waste water from 29 flights in Kuala Lumpur and found the virus in 28 of them (the 29th sample is still out for testing). These were all samples taken on flights from June to December 31st, 2022. Nearly every flight had SARS-CoV-2 in their resulting sewage water. Those results mean someone on that plane was shedding the virus into the cabin exposing every single person on that plane to the possibility of catching it if not properly protected.