Creutzfeldt-Jakob Disease (CJD)
Creutzfeldt-Jakob Disease (CJD) is a fatal neurodegenerative disorder caused by the development of abnormal, infective proteins called prions. It is rare in Ontario. CJD can occur sporadically, due to inherited genetic mutations or through exposure to an incorrectly reprocessed medical instrument used on an infective patient. Variant CJD is related to consumption of infected beef.
PHO Rounds: Respiratory Season 2026–27, Part 1: Surveillance and Testing of Respiratory Pathogens in Ontario
The first session will provide an overview of current epidemiological trends for COVID-19, influenza, and respiratory syncytial virus (RSV) activity in Ontario, Canada and internationally. The session also describes the planned approach to testing across the provincial laboratory network for respiratory viruses for the 2026–27 season.
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