@wsbgnl One test 48 hours ahead isn't nearly enough for a covid free flight, but it does mean less covid on the flight.
@wsbgnl提前48小时进行一次检测对于无冠状病毒飞行来说还远远不够，但这确实意味着飞行中的冠状病毒减少了。
@wsbgnl One test 48 hours ahead isn't nearly enough for a covid free flight, but it does mean less covid on the flight.
@wsbgnl提前48小时进行一次检测对于无冠状病毒飞行来说还远远不够，但这确实意味着飞行中的冠状病毒减少了。