The joint letter is addressed to Ontario's Chief Medical Officer of Health Dr. David Williams.
The province logged 2,938 new cases of the novel coronavirus today and 3,041 cases on Sunday, as data sharing was paused for the Easter Sunday holiday.
"Given the experiences of other jurisdictions with variants of concern and the current concerning trends throughout the province, we are asking that you, as Chief Medical Officer of Health, issue a province-wide Stay-at-Home order", the letter says. Further, they asked the province to limit staffing at essential businesses to no more than 50% of usual in addition to the limits on customer occupancy.
Schools boards and the province have been informed that Toronto Public Health will follow Peel Region in shuttering schools to in-person learning.
More than 76,000 doses of a COVID-19 vaccine were administered in Ontario since Monday's report. Schools will be closed for at least two weeks, starting Tuesday, although the second week is the scheduled April break for staff and students.
Prince Edward Island is reporting no new cases of COVID-19 today.
He said the government will be "very clear tomorrow".
The three public health leads also called on Williams to review and trim the essential businesses list, impose travel restrictions between other regions within Ontario, introduce emergency paid sick leave and move schools to online or hybrid learning in areas where school outbreaks are significant.
Ford didn't specify what the restrictions could be, or whether they would be province wide, but did hint that the focus is on Toronto, York and Peel.
"It is our firm belief that schools should be open for in-class learning, as they are critical to student mental health and safety, as confirmed by leading medical leaders in Ontario", she added.
However, Dr. Wang said Region of Waterloo Public Health will continue to monitor our local situation closely and will take additional actions as required.