CLARK COUNTY, Ind. (WDRB) -- The Clark County Health Department said people who are exposed to someone with COVID-19 do not need to seek testing immediately after exposure.

"Considering the possibility of false negatives, and the mandatory 14-day quarantine, with or without a test result, it may be more beneficial to monitor symptoms and not get tested right away," the health department said in a Facebook post.

The health department quoted a study that looked at false negative rates in swab tests. According to the Facebook post:

"One study found that during the four days of infection prior to symptoms, the probability of a false negative on the PCR test was 100% on Day 1 but only to 67 percent on Day 4. On the day individuals began showing symptoms, the false negative rate was still 38%, dropping to 20 percent three days after symptom onset. Symptoms develop, on average, 5-6 days after exposure, but the incubation period can be as long as 14 days (Kucirka et al 2020)."

The health department added that if the state the state or local health department notifies someone they were a close contact of a positive COVID-19 case, a 14-day quarantine is mandatory, and emphasized that it still applies with or without a negative COVID test result.

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