
Respiratory Diseases
Respiratory diseases are caused by organisms such as viruses or bacteria that affect the respiratory system (e.g., lungs and throat). The organisms can be spread by coughing, sneezing or face-to-face contact.
We provide public health workers with expertise, support and resources for the prevention and control of infectious respiratory diseases.
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PHO Rounds: International Border Surveillance Study
Arriving international passengers at Toronto’s Pearson International Airport were enrolled in a prospective study of COVID-19 risk upon arrival and during quarantine in September and October 2020.
Updated
21 Jan 2020
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