The Centers for Disease Control (CDC) and the Minnesota Department of Health (MDH) are great resources for the most up-to-date information on Coronavirus.
Please use the links below to access these websites:

More links here from the Minnesota Department of Health on Infection Control:
MDH's COVID-19 Decision Tree:
COVID-19 Decision Tree for People in Schools, Youth and Child Care Programs

Home Screening Guidelines:

COVID-19 Guidelines for Parents:

Guidelines for Close Contact of a Positive COVID-19 Case: