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Search: authors:"Alex Marchand-Austin"

4 papers found.
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Universal genotyping reveals province-level differences in the molecular epidemiology of tuberculosis

. Guthrie, Karen Lam, Daria Pyskir. Data curation: Jennifer L. Guthrie, Alex Marchand-Austin, Kirby Cronin, David Roth. Formal analysis: Jennifer L. Guthrie. Funding acquisition: Patrick Tang, Victoria J ... , Alex Marchand-Austin, Frances B. Jamieson, Methodology: Jennifer L. Guthrie. Jennifer L. Gardy. Resources: Alex Marchand-Austin. Jamieson, Jennifer L. Gardy. Visualization: Jennifer L. Guthrie

Under-reporting of pertussis in Ontario: A Canadian Immunization Research Network (CIRN) study using capture-recapture

. Data curation: Caitlin Johnson, Cynthia Chen, Alex Marchand-Austin. Formal analysis: Cynthia Chen, Ye Li. Funding acquisition: Natasha S. Crowcroft. Investigation: Natasha S. Crowcroft, Cynthia Chen ... . Writing ? original draft: Natasha S. Crowcroft. Writing ? review & editing: Natasha S. Crowcroft, Caitlin Johnson, Cynthia Chen, Ye Li, Alex Marchand-Austin, Shelly Bolotin, Kevin Schwartz, Shelley L

Correlation of Real Time PCR Cycle Threshold Cut-Off with Bordetella pertussis Clinical Severity

Bordetella pertussis testing performed using real-time polymerase chain reaction (RT-PCR) is interpreted based on a cycle threshold (Ct) value. At Public Health Ontario Laboratories (PHOL), a Ct value <36 is reported as positive, and Ct values ≥36 and <40 are reported as indeterminate. PHOL reported indeterminate results to physicians and public health units until May 2012, after...

Epidemiology of Enterovirus D68 in Ontario

In August 2014, children’s hospitals in Kansas City, Missouri and Chicago, Illinois notified the Centers for Disease Control and Prevention (CDC) about increased numbers of pediatric patients hospitalized with severe respiratory illness (SRI). In response to CDC reports, Public Health Ontario Laboratories (PHOL) launched an investigation of patients being tested for enterovirus D...