S.Korea trusts Chinese vaccines, will allow quarantine-free travels for vaccinated
#10

Spray ones are already available. They are developed all over the world. The medicine is sprayed into the nose.

You see the picture of some scientists, they really work very hard. There are round circles around the pair of eyes as though day-in-day-out they look into the microscopes.

They called them, one sniff and you’re vaccinated.
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