Analyse @CPHO_Canada's tweets
@CPHO_Canada
| 301,969 followers
Indoor ventilation, screening & testing, mask wearing and/or physical distancing may play an important role in reducing the risk of #COVID19 transmission in schools. Consult our guidance for public health advice for planning & operating this school year. https://t.co/fZ632BMjNP https://t.co/EQvZ61Bgc8