Web and phone-based COVID-19 syndromic surveillance in Canada: A cross-sectional study.

ABSTRACT:

Background

Syndromic surveillance through web or phone-based polling has been used to track the course of infectious diseases worldwide. Our study objective was to describe the characteristics, symptoms, and self-reported testing rates of respondents in three different COVID-19 symptom surveys in Canada.

Methods

This was a cross-sectional study using three distinct Canada-wide web-based surveys, and phone polling in Ontario. All three sources contained self-reported information on COVID-19 symptoms and testing. In addition to describing respondent characteristics, we examined symptom frequency and the testing rate among the symptomatic, as well as rates of symptoms and testing across respondent groups.

Results

We found that over March- April 2020, 1.6% of respondents

SUBMITTER: Lapointe-Shaw L 

PROVIDER: S-EPMC7531838 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature