Web and phone-based COVID-19 syndromic surveillance in Canada: A cross-sectional study.Published in:PLoS ONE, 2020, v. 15, n. 10, p. 1, doi. 10.1371/journal.pone.0239886By:Lapointe-Shaw, Lauren;Rader, Benjamin;Astley, Christina M.;Hawkins, Jared B.;Bhatia, Deepit;Schatten, William J.;Lee, Todd C.;Liu, Jessica J.;Ivers, Noah M.;Stall, Nathan M.;Gournis, Effie;Tuite, Ashleigh R.;Fisman, David N.;Bogoch, Isaac I.;Brownstein, John S.Publication type:Article