Is there any reason to believe the Chinese COVID testing protocol you reference is better than the American consensus? Given that you don’t have any special knowledge about body temperature, going with the consensus seems preferable.
If you’re too worried about COVID to go with the consensus, the safer option would be to go a few months without seeing your partner rather than convincing yourself you can personally do the research needed to achieve an unlikely level of certainty and precision about the temperature cutoff.
Is there any reason to believe the Chinese COVID testing protocol you reference is better than the American consensus? Given that you don’t have any special knowledge about body temperature, going with the consensus seems preferable.
If you’re too worried about COVID to go with the consensus, the safer option would be to go a few months without seeing your partner rather than convincing yourself you can personally do the research needed to achieve an unlikely level of certainty and precision about the temperature cutoff.