for the 260 people in Tokyo here's the PCR/Antigen Test
> Positive rate
> 5.9 %
> Number of tested people
> 3,379.0 persons
> Even though 260/3379 is 7.7% but whatevers.
PCR tests are not precise and have false positive rate of more than 6%. I doubt they retested positives 2 more times on different days before reporting these numbers.
-2 ( +3 / -5 )
PCR tests have at least 6-9% of false positives, meaning you just need to test 6000 people to get these figures.
-15 ( +3 / -18 )