Zika Virus
Zika virus is a viral infection transmitted by Aedes aegypti and Aedes albopictus mosquitoes, which also transmit dengue and chikungunya viruses. Zika virus can also be sexually transmitted. Most cases of Zika virus infection are asymptomatic or present with fever, rash and conjunctivitis. However, Zika infection in pregnancy can result in an array of congenital complications, including microcephaly, referred to as congenital Zika syndrome.
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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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