![]() ![]() Testing of respiratory viruses (including influenza) other than SARS-CoV-2 is not available on saliva specimens. ![]() Contact your local laboratory provider if you have questions regarding the availability of COVID-19 saliva testing. However, some non-PHO laboratories may not be able to accept this specimen type. All PHO laboratory locations accept saliva specimens for COVID-19 PCR testing. Risk factors for severe disease are listed in the Ontario Ministry of Health testing guidance.Ĭ Only if patient has self-productive cough (do not induce).ĭ Saliva may be less feasible to collect in some patient populations with reduced salivary production or inability to reliably salivate into the collection tube. ![]() Patients at risk of developing severe disease may still benefit from the higher sensitivity of NP swabbing. Alternatively, the combined oral and nasal swabbing option and the saliva option both provide relatively high sensitivity in the early infection phase and are suitable for most outpatient settings where NP swabbing is challenging to operationalize. Values are approximated.ī NP swabbing usually provides the highest sensitivity, however it may be less tolerated for some patients and is a regulated procedure, therefore not all settings can perform it. Non-respiratory: cerebrospinal fluid (CSF), other non-respiratory sterile fluid or tissuesĪcceptable option for hospitalized patientsĪ Sensitivity may vary depending on training, collection quality, disease timeline, disease severity, virus lineage, and many other factors, therefore ranges are provided as approximate reference only. ![]() Other preferred option for hospitalized patientsĪcceptable option for non-hospitalized patients Lower respiratory tract (when possible): sputum c, BAL, bronch wash, pleural fluid, lung tissue, and tracheal aspirate Other preferred option for non-hospitalized patients b, d Other preferred option for non-hospitalized patients b Preferred option for all patients (hospitalized or non-hospitalized) bĬombined oral/oropharyngeal (buccal/throat) and Nasal swabbing Specimen Collection Options for COVID-19 PCR Testing by Patient Characteristic Specimen Collection Method Provision of expected performance ranges by specimen type.saliva: mouth rinse – swish and gargle – straw.saliva: mouth rinse – swish and gargle – funnel.combined oral (buccal) and deep nasal swab.“ combined oral/oropharyngeal (buccal/throat) and nasal swabbing” now represents:.Overall simplification of testing information, and updated the summary table of specimen collection methods with linked instructions. COVID-19 antigen testing: Ontario Ministry of Health COVID-19 Clinical Assessments and Testing – Rapid Antigen Tests Information.COVID-19 serology testing: Public Health Ontario Coronavirus Disease 2019 (COVID-19) – Serology Test Information.COVID-19 whole genome sequencing surveillance: Public Health Ontario Coronavirus Disease 2019 (COVID-19) – Whole Genome Sequencing Surveillance Test Information.For other testing modalities, please refer to the following links: This Test Information Sheet provides information on routine polymerase chain reaction (PCR) (molecular) testing for SARS-CoV-2, the causative agent of COVID-19. Methods, Measures and Data Source Reviews Ontario Universal Typing of Tuberculosis (OUT-TB) Web Invasive Group A Streptococcal Disease Epidemiological Summaries Health Care-Associated Infection (HAI) Query Methicillin Resistant Staphylococcus aureus (MRSA) Locally Driven Collaborative Projects (LDCP) ProgramĬarbapenemase-Producing Enterobacteriaceae (CPE)Ĭlostridioides difficile Infections (CDI) Routine Practices and Additional Precautions Antimicrobial Stewardship in Long Term CareĪntimicrobial Stewardship in Primary CareĪntimicrobial Stewardship Program (ASP) & Antimicrobial Resistance (AMR) Comparison ToolĬonstruction, Renovation, Maintenance and Design ![]()
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