School administrators: CDC has released updated guidance that can help in planning for and implementing #COVID19 case investigation and contact tracing in K-12 schools and institutions of higher education. Learn more: https://t.co/1v22PrPeYj https://t.co/CGs7zP8rPa
- COVID-19 Update from the CDC – April 22 2021 15:11:02
- COVID-19 Update from the CDC – April 22 2021 16:45:41