Over one million bottles will have entered Canada after next week, Sharma said. Nearly two million children under 12 live in Ontario, according to the latest census. In a virtual news conference, federal health officials provide an update on the shortage of infant and children's acetaminophen and ibuprofen. Taking part in the briefing are Dr. Supriya Sharma, chief medical adviser with Health Canada, and Dr. Marc Berthiaume, director of the Bureau of Medical Science at Health Canada. “We don’t have a lot of manufacturers for products, be it over-the-counter medications like children’s Advil and Tylenol or prescription-based medication.