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qainin t1_j1usbyl wrote

Reply to comment by Advanced-Attempt-243 in Japan to limit China flights, test travellers for Covid-19 by Eyesalwaysopened

For most of the world, doing that make no sense.

There are already plenty of cases all over the world. Anything coming out of China now would make no difference.

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Shuber-Fuber t1_j1uvbge wrote

The problem is herd immunity.

Western world is vaccinated enough with effective vaccines, and with actual infection cases, that you more or less have herd immunity now.

Adding people that are not vaccinated or vaccinated with far less effective vaccines (effective in this case means preventing transmission) could potentially break the herd immunity as they become carriers.

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