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PHO Grand Rounds: What’s new with the flu? 2019–20 season

Many influenza seasons have their unique features and the 2018–19 season was no exception. Although influenza A (H1N1) circulated at the beginning of the season, influenza A (H3N2) circulated towards the end. This Rounds session will highlight the end of season epidemiologic and virologic summary of the 2018–19 season, including its unique features and overview of 2019 influenza season in the Southern Hemisphere.

A summary of vaccine effectiveness estimates for the 2018–19 season will be included, in addition to an overview of influenza vaccines available under Ontario’s Universal Influenza Immunization Program (UIIP) for the 2019–20 season.

Updates regarding the use of antiviral medications for influenza treatment/prevention and other respiratory virus laboratory testing conducted at the Public Health Ontario Laboratory will also be provided.

By the end of this session, participants will be able to:

  • Describe the key features of the 2018–19 influenza and respiratory virus season in Ontario.
  • Discuss influenza vaccine effectiveness in the 2018–19 season and the products available as part of Ontario’s Universal Influenza Immunization Program 2019–20.
  • Summarize the use and benefits of antiviral medications for the treatment and prevention of influenza.
  • Summarize influenza and other respiratory virus laboratory testing algorithms for the 2019–20 season.

Présentateur(s): Dr. Jonathan Gubbay, Dr. Michelle Murti and Dr. Bryna Warshawsky

Dr. Jonathan Gubbay is a Medical Microbiologist and a Deputy Chief at the Public Health Ontario (PHO) Laboratories. He has been the medical lead of many key programs, including respiratory viral infections, emerging viruses, respiratory bacteria and gastrointestinal viruses.

Dr. Michelle Murti is a Public Health Physician in the Communicable Diseases and Emergency Preparedness and Response department at PHO. Her area of expertise includes communicable diseases, surveillance, epidemiology and emergency preparedness.

Dr. Bryna Warshawsky is a Public Health Physician in the Communicable Diseases, Emergency Preparedness and Response Department at Public Health Ontario. She is also cross-appointed in the Department of Epidemiology and Biostatistics at Western University and a past Chair of the National Advisory Committee on Immunization.


Public Health Ontario Grand Rounds are a self-approved group learning activity (Section 1) as defined by the Maintenance of Certification Program of the Royal College of Physicians and Surgeons of Canada (RCPSC). In order to receive written documentation for Continuing Medical Education (CME) credits, please check “Yes” beside the question “Do you require CME credits?” on the registration form.

College of Family Physicians of Canada (CFPC) Affiliate Members may count RCPSC credits toward their Mainpro+ credit requirements. All other CFPC members may claim up to 50 Certified credits per cycle for participation in RCPSC MOC Section 1 accredited activities.

PHO Grand Rounds are also approved by the Council of Professional Experience for professional development hours (PDHs) for members of the Canadian Institute of Public Health Inspectors (CIPHI).

For more information or for a record of registration for other Continuing Education purposes, please contact events@oahpp.ca


Public Health Ontario is committed to complying with the Accessibility for Ontarians with Disabilities Act (AODA). If you require accommodations to participate in this event, please contact 647-260-7100 or events@oahpp.ca.

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Mis à jour le 9 oct. 2019