Beijing announced that visa applicants will have to be inoculated with a Chinese-made vaccine.
Washington previously took action against China and India for not permitting US carriers to operate routes amid the pandemic.
Interest in staying at the hotel, where rooms range from 1,888 to 2,288 yuan ($290.10 to $351.56) per night was "very high".
The plan comes as several member states have started to weigh options for their own vaccine passports in a bid to save their summer tourism season.
Whether or not the certificate is truly a "vaccine passport" depends on whether it is accepted by relevant authorities overseas.
To achieve mutual recognition with China, Israel can share data about different vaccines and their efficacy with China, the ambassador said.
Donghai Airlines issued a statement on Sunday afternoon saying the pair had been suspended from their jobs.
Rejecting rumors of "vaccine diplomacy", Foreign Minister said that China opposes "vaccine nationalism", won't accept an "immunity gap" and resists any attempt to politicize vaccine cooperation.
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