COVID-19, and they were conducting further testing early Saturday to see if any of the infections are with the recently discovered Omicron coronavirus variant.
Around 600 passengers arrived at Amsterdam's Schiphol Airport on the two KLM flights on Friday and then faced hours of delays and testing due to concerns over the new virus variant.
The Dutch health ministry said early Saturday 61 tests had come back positive. "Travelers with a positive test result will be placed in isolation at a hotel at or near Schiphol," health authorities said in a statement. "Of the positive test results, we are researching as quickly as possible whether they are the new variant of concern, now named 'Omicron'." The Dutch government banned all air travel