Toronto 
As Ontario’s chief medical officer of health, Dr. David Williams has recommended suspension of all large gatherings and events to stem the outbreak of COVID-19, Art Gallery of Ontario, Royal Ontario Museum, and Ontario Science Centre will remain closed until April 5, 2020.
AGO in a statement on the website stated, “Upon the advice of Ontario’s Chief Medical Officer of Health, Dr. David Williams, the Art Gallery of Ontario will close temporarily for three weeks effective 9 p.m. on Friday, March 13, 2020. Dr. Williams has ordered the immediate suspension of all gatherings over 250 people because of the risk of contracting the coronavirus (COVID-19). At this time, we will remain closed through Sunday, April 5, aligning with the closure of all publicly-funded elementary and secondary schools and other cultural institutions in the province. We will continue to monitor the situation, and we look forward to welcoming visitors to the AGO again.”
Royal Ontario Museum also will close through April 5, 2020 and stated, ” In light of the recent announcement from the Ontario Chief Medical Officer of Health, we will be closing the ROM to the public, effective March 13 at 5:30 pm; this includes all programs, internal and external events. The health and safety of our visitors, staff, and volunteers is of utmost importance in these challenging times. We anticipate remaining closed to the public through to April 5, but will continue to take guidance from our public health officials regarding the duration of this closure.”
Ontario Science Centre will also remain closed until April 5, 2020. The Science Centre stated, “There is no known exposure to COVID-19 at the Ontario Science Centre. With the highly interactive nature of exhibits and programs, the Science Centre has decided to close temporarily to protect the health and safety of staff and visitors and to help reduce the potential spread of COVID-19 in the community.”
To support public health’s efforts to contain COVID-19, we’re temporarily closed to visitors, effective March 13 at 5p.m. through April 5. Check our website for updates: https://t.co/lzeQlaEKmO pic.twitter.com/vkqcAYREqj
— Ontario Science Centre 🔬 (@OntScienceCtr) March 13, 2020
Canada Lands Company has announced that CN Tower will be closing from Saturday March 14, 2020 until Monday, April 13, 2020.
