Moderna on Thursday asked U.S. regulators to authorize low doses of its COVID-19 vaccine for children younger than 6, a long-awaited move toward potentially opening shots for millions of tots by summer.
Moderna hopes to offer updated COVID-19 boosters in the fall that combine its original vaccine with protection against the omicron variant. On Tuesday, it reported a preliminary hint that such an approach might work.
Government messaging about the state of the COVID-19 pandemic may stymie uptake of fourth vaccine doses, some experts said, as provinces laid out plans to expand eligibility for the shots to millions more Canadians.
Ontario plans to soon start offering fourth doses of COVID-19 vaccines to residents aged 60 and older, the province's health minister said Tuesday as she maintained that the province is equipped to handle rising cases and hospitalizations.
Provinces and territories should quickly get ready to offer fourth doses of COVID-19 vaccines in the coming weeks starting with people over the age of 80 and long-term care residents, the National Advisory Committee on Immunization recommended Tuesday.
Ontario is entering a sixth wave of COVID-19 with few remaining public health measures and experts say now is the time for a renewed vaccination strategy aimed at boosting third-dose uptake, shots for kids and preparing for wider fourth doses.