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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.

Featured

Summary Report

This report, published quarterly, describes the epidemiology of active TB disease and latent TB infection in Ontario including incidence by sex, age group, and geography.

2.7 MB
Published 18 July 2024

Interactive Report

This tool provides comprehensive epidemiological information of respiratory virus activity in Ontario, including COVID-19, influenza and other respiratory viruses. Explore case trends, laboratory testing, and outbreaks, as well as COVID-19 outcomes and vaccination.

Webpage
Updated 6 Sep 2024

Surveillance Report

Inaugural genomic surveillance of RSV in 2023/24 describes two predominant lineages: RSV-A lineage GA2.3.5 and RSV-B lineage GB5.0.5a.

1.1 MB
Published 7 June 2024

Fact Sheet

This fact sheet outlines protection measures that can be used to reduce the spread of respiratory viruses such as COVID-19, influenza, and respiratory syncytial virus (RSV).

700 KB
Updated 14 March 2024

Blastomycosis

Coronavirus Disease 2019 (COVID-19)

Enterovirus D68

Group B Streptococcal Diseases, Neonatal

Invasive Group A Streptococcus

Influenza (flu)

Legionellosis

Leprosy

Middle East Respiratory Syndrome Coronavirus

Nontuberculous Mycobacteria Infections

Tuberculosis

Avian Influenza
Event

PHO Rounds: Preventing Childhood Asthma: The Neglected Impacts of Antibiotic Stewardship and Human Milk Exposure in Infants

This session of PHO Rounds presents a recently concluded study of 600,000 Canadian children in two provinces, showing that this association is operating in populations at a scale that may help to explain observed tempering of the asthma epidemic.

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Updated 7 June 2024
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