The risk countries are worried by is not so much individual as systemic. The individual risk for jabbed people is not much different from flu. The collective risk: too many cases at once may cause hospital bed shortages.
I don't think Djokovic increases that risk in Australia. He's had omicron.
People who are arseholes are usually allowed to travel and play tennis in spite of it. Remember John McEnroe?
He explained that he didn't get the results immediately. Must have been the other sort of test.
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