Possibly that means "test positive" like when the CDC says "1/3rd of all Americans test positive for spinal meningitis" a surprising but true statistic. But spi

Possibly that means "test positive" like when the CDC says "1/3rd of all Americans test positive for spinal meningitis" a surprising but true statistic. But spinal meningitis is asymptomatic in the overwhelming majority of people who test positive.