The country authorised more local firms to take foreign orders and deals to produce Covishield (known overseas as AstraZeneca vaccine), Covaxin (India's first indigenous Covid-19 vaccine) and Sputnik V, the Russian vaccine; all of which have been authorised for emergency use by the WHO.
This marks the first death in Ontario related to a potential side effect of the AstraZeneca COVID-19 vaccine called Vaccine-Induced Thrombotic Thrombocytopenia or VITT.
But it has resumed the administration of AstraZeneca for second doses only as it rushes to use up 45,000 doses that are set to expire next week.
Some Ontarians who are now eligible to receive their second dose of the AstraZeneca vaccine are complaining about a lack of clarity around the booking process, even as Solicitor General Sylvia Jones urges those awaiting a second jab to "be a little patient".
The country received 132,000 doses of the vaccine in late March from Covax, the global initiative to ensure lower-income countries receive jabs, but so far has administered less than 8,000 shots.
"The particular concern that has been raised with me by many people over the last week or two is to do with those who are due to get their second dose of the AstraZeneca vaccine, namely those in the 60-70 age cohort", he said.
Those who received their first dose between March 10 and 19 became eligible to book their second dose on Monday. "I want to reiterate that people who received the dose should feel very confident about their health".
His comments come as the Taoiseach said more than 2.5 million doses of Covid vaccine would be administered by the end of Tuesday.
"There is a small connection of thrombosis in women under 40 with the AstraZeneca vaccine", Panagiotopoulou said, but health experts in Cyprus stopped short of pointing to a medical mechanism or health factor that could cause the rare blood clot.
Provincial officials have also aknowledged that demand could outpace supply at first but say that those who do not get an appointment immediately will still be given a chance to recieve their second doses as additional shipments arrive.
Meanwhile, satay operator Hezlinda Md Samsudin, 46, said she was grateful that eventually she could register for the AstraZeneca vaccination for herself and her daughter 55 minutes after the registration opened.
"The good point is that we have lots of people wanting to get their second dose", said Williams.
A spokeswoman for the health minister said many pharmacies and doctors would reach out to patients directly, and asked people to only contact participating pharmacies listed on the province's booking website.