Does "2 days" before departure mean 48 hours for the COVID-19 tests to enter China, or does only the day of the COVID-19 tests matter?
IATA for China states:
Negative Coronavirus (COVID-19) nucleic acid test result issued at most 2 days before departure and a negative IgM anti-body test result issued at most 2 days before departure.
Does "2 days" before departure mean 48 hours for the COVID-19 tests to enter China, or does only the day of the COVID-19 tests matter?
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