April 7, 2021 General information There are many reasons for vaccine appointment no-shows. Life, forgetfulness, miscommunication, fear, vaccine hesitancy, and unforeseen events are likely some of the contributing factors.
April 5, 2021 Clinical Research CDC study shows vaccines cut Covid infections and transmission. They will help get us out of the pandemic.
March 31, 2021 Clinical Research CDC releases study showing that mRNA vaccines perform almost the same in the real world as they did in the lab. Further indications are they prevent disease and its transmission.
March 29, 2021 Epidemiology Canada’s decision to delay second doses of Covid-19 vaccines by four months may not result in the positive outcome expected for certain groups.
March 26, 2021 Epidemiology No hard evidence that a small number of people who had flu vaccine had less risk of Covid-19 infections. Socioeconomic and environmental factors at play among other more likely explanations.
March 16, 2021 Geriatrics NACI to recommend AZ vaccine for Canadians over age 65 based on positive real-world results after millions of doses. It has a comparable reduction in the risk of symptomatic disease and hospitalization compared to 18-64 year-olds.
March 12, 2021 Epidemiology Does Oxford-AstraZeneca vaccine increase risk of blood clots? To conclude this would require evidence that incidence exceeds what is normally expected in the general population. To date, this is not the case according to reports from health authorities.
March 2, 2021 Epidemiology Ontario mulling extending dosing interval of Covid-19 vaccine to four months. If there is definitive evidence supporting this policy change, then it should be enacted.
February 15, 2021 Clinical Research Israeli study offers more evidence of Pfizer vaccine efficacy with 94% drop in symptomatic cases and 92% decrease in severe illness in people aged 55 and older.—- Restriction-easing plan in Ontario risks Yo-Yo effect once again.
February 4, 2021 Allergy/Immunology Lancet posts Oxford Vaccine Group preprint study on how the timing of the booster dose of its Oxford-AZ vaccine affects the immune response and efficacy for people 18-55 years of age.