按CDC官网是可行,不知道有没有地勤卡这个
- If you recently recovered from COVID-19, you may instead travel with one of the following forms of documentation of recovery from COVID-19:
- Your positive COVID-19 viral test result on a sample taken more than 10 days but fewer than 91 days before your flight, or
- Your positive COVID-19 viral test result on a sample taken 10 or fewer days before your flight PLUS a letter from a licensed healthcare provider or a public health official stating that your COVID-19 symptoms started more than 10 days before your flight.