So are travelers who already have valid visas.

持有效签证证件者也可以入境。

Migrants facing medical emergencies and those with valid visas or other lawful permission can enter.

面临医疗紧急情况的移民和持有有效签证或其他合法许可的移民可以进入。

Also, foreigners with valid visas that were issued before March 28, 2020, will be able to enter the country.

同时，对来华外国人持 2020 年 3 月 28 日前签发且仍在有效期内签证的，准予入境。

While the department of homeland security has not yet responded to a via request to speak to us about the situation, the United States government maintains its immigration position that people should travel only if they have a valid visa.

虽然国土安全部还没有回应记者的采访请求，但美国政府坚持其移民立场，即人们只有在持有有效签证的情况下才能旅行。