SARS-CoV-2 genomic contextual data harmonization: recommendations from a mixed methods analysis of COVID-19 case report forms across Canada

Table 5 Examples of structure variations date formats and symptom granularity used in Canadian case report forms

Case Report Form	Date Format	Data Granularity
National^a	DD/MM/YYYY MM/DD/YYYY	Cough
BC	YYYY/MM/DD	Cough
MB	YYYY-MM-DD	Cough, Dry; Cough, Productive
NB	Free Text	New onset/exacerbation of chronic cough
NWT	YYYY/MMM/DD	Cough
ON	DD/MM/YYYY	Cough
QC	YYYY/MM/DD	Cough

^a The following provinces/territories were utilizing the Interim National Case Report From at the time of analysis: AB, NL, NS, NU, PEI, SK, and YK
Date Format values: day (D), month (M), and year (Y). Provinces/Territories: Alberta (AB), British Columbia (BC), Ontario (ON), Québec (QC), Manitoba (MB), New Brunswick (NB), Newfoundland and Labrador (NL), Nova Scotia (NS), Nunavut (NU), Northwest Territories (NWT), Prince Edward Island (PEI), Saskatchewan (SK), Yukon (YK). Table adapted from “Comparison and analysis of Canadian public health SARS-CoV-2 case report forms” [20]

ISSN: 2049-3258