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.
Beijing will also be launching operation "Spring Seed" - an initiative to vaccinate citizens outside China, using both Chinese and foreign-made vaccines.
European Union leaders discussed the vaccine passport issue, but they have not yet come up with a unified plan.
With community vaccination in full swing, a gradual decline in infections would pave the way for relaxation.
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