If child is not having any symptoms you can wait. Wait and watch for any symptoms for 4-5 days and if there is any symptoms do covid-19 test with other routine test. And if after 4-5 days no symptoms, then if you wish do test you can do to rule out asymptomatic covid-19 infection.
Next Steps
Temperature monitoring and charting.
watch for any symptoms
home quarentine all persons who come in contact with covid-19 positive person for atleast 14 days or 14 days after last positive case.
Health Tips
Hand washing
Wear mask
physical distanceing
home isolated
consult Pediatrician online
take plenty of liquids.