My son was exposed to someone who tested positive for covid we did the risk assesment and the app said we need to consult with a dr. he does not have symptoms how long before he can go test. he been exposed on the 12 december?

See below: Covid-19: https://www.cdc.gov/coronavirus/2019-ncov/index.html Please contact your doctor by phone for further evaluation and mechanism for testing in your area. Wear a mask, stay away from others, practice hand hygiene. Be sure to get tested, if you get symptoms. If you develop breathing difficulty, go to the nearest hospital, immediately. Wish you good health.