Just added another item to the ship’s medical chest: Ellume Home C19 test. FDA approved. Amazon or drugstore websites. 96% accuracy. Results in 15 minutes. $40.
Comes with an electronic analyzer that connects to your smart phone via Bluetooth. Person swabs both nostrils. Swab goes in reagent. You put a few drops of the solution in the analyzer. App walks you through the whole process. Results in 15 minutes. Downside: You need good cell service or wifi to get results.