Background Case detection underestimates the burden of the COVID‐19 pandemic. Following
the first COVID‐19 wave, we estimated the seroprevalence of severe acute respiratory …

We monitored the seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
nucleocapsid (anti-N; proxy of natural infection) and spike protein (anti-S; proxy for …

With the emergence of the SARS-CoV-2 Omicron variant in late 2021, Canadian public health
case/contact testing was scaled back due to high infection rates with milder symptoms in a …

Cytogenetics can inform risk stratification in pediatric acute myeloid leukemia (AML). We
describe the first case of a newborn with leukemia cutis found to have AML harboring a cryptic …

Background: During the first year of the COVID-19 pandemic, the proportion of reported
cases of COVID-19 among Canadians was under 6%. Although high vaccine coverage was …

Physicians in every medical and surgical field must be able to use pathology concepts and
skills in their practice: for example, they must order and interpret the correct laboratory tests, …

Background Cold stored platelets (CSP) undergo physical changes that make them better at
initiating a clot. While cold stored platelets are superior for reducing bleeding in actively …

Congenital sideroblastic anemia (CSA) is a hematological disorder characterized by the
presence of ringed sideroblasts in bone marrow erythroid precursors. Mutations in the erythroid‐…

We compared the seroprevalence of SARS-CoV-2 anti-nucleocapsid antibodies in blood
donors across Canadian regions in 2021. The seroprevalence was the highest in Alberta and …

Background Fever in the setting of neutropenia is a potentially life-threatening complication
of cancer treatment. A time of less than 60 minutes from presentation to antibiotic …