CCDR: Volume 47-4, April 2021: COVID-19: A Year Later

CCDR: Volume 47-4, April 2021: COVID-19: A Year Later The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases 2021-09-27 Public Health Agency of Canada open-ouvert@tbs-sct.gc.ca Health and SafetyCOVID-19SARS-CoV-2serological testingserology algorithmstransmission riskgatheringsmathematical modellingRT-PCRfalse-negativereinfectionretestinginfluenzatestingpublic health interventionsCanadachlamydiagonorrheascreeningpregnancyprenataloutbreakpersonal service settingpublic healthinfectionpreventioncontrolcasecontactmanagementsuperspreadingeventHCVpracticesIPACcontaminationout-of-hospitalhealthcaresettingshealthypublic policyknowledgetranslationrecoveryethicsimmunizationhealth lawCCDR CCDR: Volume 47-4, April 2021: COVID-19: A Year LaterHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021.html CCDR: Volume 47-4, April 2021: COVID-19: A Year LaterHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021.html Practical guidance for clinical laboratories for SARS-CoV-2 serology testingHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/laboratory-guidance-sars-cov-2-testing.html Practical guidance for clinical laboratories for SARS-CoV-2 serology testingHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/guide-laboratoires-depistage-sras-cov-2.html Simple mathematical modelling approaches to assessing the transmission risk of SARS-CoV-2 at gatheringsHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/assessing-risk-transmission-sars-cov-2-gatherings.html Simple mathematical modelling approaches to assessing the transmission risk of SARS-CoV-2 at gatheringsHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/evaluer-risque-transmission-sras-cov-2-rassemblements.html Serum antibody response in COVID-19-recovered patients who retested positiveHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/covid-19-negative-patients-retested-positive.html Serum antibody response in COVID-19-recovered patients who retested positiveHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/patients-diagnostic-negatif-covid-19-nouveau-resultat-test-positif.html Rapid disappearance of influenza following the implementation of COVID-19 mitigation measures in Hamilton, OntarioHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/influenza-vanishing-covid-19-measures-hamilton-ontario.html Rapid disappearance of influenza following the implementation of COVID-19 mitigation measures in Hamilton, OntarioHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/grippe-disparait-mesures-covid-19-hamilton-ontario.html Suboptimal prenatal screening of Chlamydia trachomatis and Neisseria gonorrhoeae infections in a Montréal birthing and tertiary care centre: A retrospective cohort studyHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/suboptimal-prenatal-screening-chlamydia-gonorrhoeae-montreal-quebec.html Suboptimal prenatal screening of Chlamydia trachomatis and Neisseria gonorrhoeae infections in a Montréal birthing and tertiary care centre: A retrospective cohort studyHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/depistage-prental-sous-optimal-chlamydia-gonorrhoeae-montreal-quebec.html COVID-19 outbreak in a personal service setting in Kingston, Ontario, 2020HTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/covid-19-outbreak-kingston-ontario-2020.html COVID-19 outbreak in a personal service setting in Kingston, Ontario, 2020HTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/eclosion-covid-19-kingston-ontario-2020.html An outbreak of hepatitis C virus attributed to the use of multi-dose vials at a colonoscopy clinic, Waterloo Region, OntarioHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/hepatitis-c-outbreak-colonoscopy-clinic-ontario.html An outbreak of hepatitis C virus attributed to the use of multi-dose vials at a colonoscopy clinic, Waterloo Region, OntarioHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/eclosion-hepatite-c-clinique-coloscopie-ontario.html The National Collaborating Centre for Healthy Public Policy in times of COVID-19: Building skills to "Build Back Better"HTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/national-collaborating-centre-healthy-public-policy-build-canada-after-covid-19.html The National Collaborating Centre for Healthy Public Policy in times of COVID-19: Building skills to "Build Back Better"HTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/centre-collaboration-nationale-politiques-publiques-sante-canada-rebatir-apres-covid-19.html Ethics check-up of public health immunization programs in CanadaHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/assessing-canada-public-health-immunization-programs.html Ethics check-up of public health immunization programs in CanadaHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/evaluation-programmes-immunisation-sante-publique-canada.html Protective immunity post-COVID-19 infectionHTML https://www.canada.ca/en/public-health/services/reports-publications/canada-communicable-disease-report-ccdr/monthly-issue/2021-47/issue-4-april-2021/post-covid-19-immunity.html Protective immunity post-COVID-19 infectionHTML https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2021-47/numero-4-avril-2021/immunite-post-covid-19.html

The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases

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