Co-Authors
This is a "connection" page, showing publications co-authored by Sibongile Walaza and Cheryl Cohen.
Connection Strength
14,401
-
Risk Factors for Severe Coronavirus Disease 2019 Among Human Immunodeficiency Virus-Infected and -Uninfected Individuals in South Africa, April 2020-March 2022: Data From Sentinel Surveillance. Open Forum Infect Dis. 2022 Dec; 9(12):ofac578.
Score: 0,842
-
The Impact of Influenza and Tuberculosis Interaction on Mortality Among Individuals Aged =15 Years Hospitalized With Severe Respiratory Illness in South Africa, 2010-2016. Open Forum Infect Dis. 2019 Mar; 6(3):ofz020.
Score: 0,655
-
The Burden and Clinical Presentation of Pulmonary Tuberculosis in Adults With Severe Respiratory Illness in a High Human Immunodeficiency Virus Prevalence Setting, 2012-2014. Open Forum Infect Dis. 2017; 4(3):ofx116.
Score: 0,586
-
Recommendations pertaining to the use of influenza vaccines and influenza antiviral drugs, 2016. S Afr Med J. 2016 Feb 04; 106(3):251-3.
Score: 0,528
-
Influenza virus infection is associated with increased risk of death amongst patients hospitalized with confirmed pulmonary tuberculosis in South Africa, 2010-2011. BMC Infect Dis. 2015 Jan 27; 15:26.
Score: 0,492
-
Comparing adults with severe SARS-CoV-2 or influenza infection: South Africa, 2016-2021. S Afr J Infect Dis. 2024; 39(1):574.
Score: 0,237
-
Risk Factors for Severe COVID-19 Among Children and Adolescents Enrolled in Acute Respiratory Infection Sentinel Surveillance in South Africa, 2020-2022. Influenza Other Respir Viruses. 2024 May; 18(5):e13300.
Score: 0,234
-
Association of HIV Exposure and HIV Infection With In-hospital Mortality Among Hospitalized Infants <1 Year of Age, South Africa, 2016-2018. J Pediatric Infect Dis Soc. 2023 Dec 16; 12(12):646-651.
Score: 0,228
-
The attributable fraction of respiratory syncytial virus among patients of different ages with influenza-like illness and severe acute respiratory illness in a high HIV prevalence setting, South Africa, 2012-2016. Int J Infect Dis. 2023 Sep; 134:71-77.
Score: 0,219
-
Changing Epidemiology of COVID-19 in Children and Adolescents Over Four Successive Epidemic Waves in South Africa, 2020-2022. J Pediatric Infect Dis Soc. 2023 Apr 18; 12(3):128-134.
Score: 0,217
-
The economic burden of RSV-associated illness in children aged?5?years, South Africa 2011-2016. BMC Med. 2023 04 13; 21(1):146.
Score: 0,217
-
The burden of RSV-associated illness in children aged?5?years, South Africa, 2011 to 2016. BMC Med. 2023 04 11; 21(1):139.
Score: 0,217
-
Household Transmission of Severe Acute Respiratory Syndrome Coronavirus 2 From Adult Index Cases With and Without Human Immunodeficiency Virus in South Africa, 2020-2021: A Case-Ascertained, Prospective, Observational Household Transmission Study. Clin Infect Dis. 2023 02 08; 76(3):e71-e81.
Score: 0,215
-
Effectiveness of Influenza Vaccination of Pregnant Women for Prevention of Maternal and Early Infant Influenza-Associated Hospitalizations in South Africa: A Prospective Test-Negative Study. Open Forum Infect Dis. 2022 Nov; 9(11):ofac552.
Score: 0,210
-
Clinical severity of SARS-CoV-2 Omicron BA.4 and BA.5 lineages compared to BA.1 and Delta in South Africa. Nat Commun. 2022 10 04; 13(1):5860.
Score: 0,209
-
Seroprevalence of SARS-CoV-2 after the second wave in South Africa in HIV-infected and uninfected persons: a cross-sectional household survey. Clin Infect Dis. 2022 Mar 10.
Score: 0,201
-
The national burden of influenza-like illness and severe respiratory illness overall and associated with nine respiratory viruses in South Africa, 2013-2015. Influenza Other Respir Viruses. 2022 05; 16(3):438-451.
Score: 0,200
-
The direct and indirect effects of the COVID-19 pandemic on private healthcare utilization in South Africa, March 2020 - September 2021. Clin Infect Dis. 2022 Jan 27.
Score: 0,200
-
Early assessment of the clinical severity of the SARS-CoV-2 omicron variant in South Africa: a data linkage study. Lancet. 2022 01 29; 399(10323):437-446.
Score: 0,199
-
Detection of Victoria lineage influenza B viruses with K162 and N163 deletions in the hemagglutinin gene, South Africa, 2018. Health Sci Rep. 2021 Sep; 4(3):e367.
Score: 0,195
-
An evaluation of an influenza vaccination campaign targeting pregnant women in 27 clinics in two provinces of South Africa, 2015 - 2018. BMC Health Serv Res. 2021 Sep 09; 21(1):941.
Score: 0,194
-
Mortality in children aged <5 years with severe acute respiratory illness in a high HIV-prevalence urban and rural areas of South Africa, 2009-2013. PLoS One. 2021; 16(8):e0255941.
Score: 0,193
-
Decline of influenza and respiratory syncytial virus detection in facility-based surveillance during the COVID-19 pandemic, South Africa, January to October 2020. Euro Surveill. 2021 07; 26(29).
Score: 0,192
-
A Retrospective observational cohort study of the effect of antenatal influenza vaccination on birth outcomes in Cape Town, South Africa, 2015-2016. Influenza Other Respir Viruses. 2021 07; 15(4):446-456.
Score: 0,186
-
Influenza economic burden among potential target risk groups for immunization in South Africa, 2013-2015. Vaccine. 2020 10 21; 38(45):7007-7014.
Score: 0,182
-
Influenza disease burden among potential target risk groups for immunization in South Africa, 2013-2015. Vaccine. 2020 06 02; 38(27):4288-4297.
Score: 0,177
-
The Impact of Human Immunodeficiency Virus Exposure on Respiratory Syncytial Virus-associated Severe Respiratory Illness in South African Infants, 2011-2016. Clin Infect Dis. 2019 11 27; 69(12):2208-2211.
Score: 0,172
-
Influenza and tuberculosis co-infection: A systematic review. Influenza Other Respir Viruses. 2020 01; 14(1):77-91.
Score: 0,170
-
Performance of Surveillance Case Definitions in Detecting Respiratory Syncytial Virus Infection Among Young Children Hospitalized With Severe Respiratory Illness-South Africa, 2009-2014. J Pediatric Infect Dis Soc. 2019 Sep 25; 8(4):325-333.
Score: 0,170
-
The performance of different case definitions for severe influenza surveillance among HIV-infected and HIV-uninfected children aged <5 years in South Africa, 2011-2015. PLoS One. 2019; 14(9):e0222294.
Score: 0,170
-
Quantifying How Different Clinical Presentations, Levels of Severity, and Healthcare Attendance Shape the Burden of Influenza-associated Illness: A Modeling Study From South Africa. Clin Infect Dis. 2019 08 30; 69(6):1036-1048.
Score: 0,169
-
Health and economic burden of influenza-associated illness in South Africa, 2013-2015. Influenza Other Respir Viruses. 2019 09; 13(5):484-495.
Score: 0,166
-
Outbreak of influenza A in a boarding school in South Africa, 2016. Pan Afr Med J. 2019; 33:42.
Score: 0,166
-
Household Transmission of Seasonal Influenza From HIV-Infected and HIV-Uninfected Individuals in South Africa, 2013-2014. J Infect Dis. 2019 04 19; 219(10):1605-1615.
Score: 0,165
-
The Role of Human Immunodeficiency Virus in Influenza- and Respiratory Syncytial Virus-associated Hospitalizations in South African Children, 2011-2016. Clin Infect Dis. 2019 02 15; 68(5):773-780.
Score: 0,163
-
Prioritization of risk groups for influenza vaccination in resource limited settings - A case study from South Africa. Vaccine. 2019 01 03; 37(1):25-33.
Score: 0,160
-
Responses to hypothetical health scenarios overestimate healthcare utilization for common infectious syndromes: a cross-sectional survey, South Africa, 2012. BMC Infect Dis. 2018 07 25; 18(1):344.
Score: 0,157
-
The effects of the attributable fraction and the duration of symptoms on burden estimates of influenza-associated respiratory illnesses in a high HIV prevalence setting, South Africa, 2013-2015. Influenza Other Respir Viruses. 2018 05; 12(3):360-373.
Score: 0,151
-
In- and Out-of-hospital Mortality Associated with Seasonal and Pandemic Influenza and Respiratory Syncytial Virus in South Africa, 2009-2013. Clin Infect Dis. 2018 01 06; 66(1):95-103.
Score: 0,151
-
Attributable Fraction of Influenza Virus Detection to Mild and Severe Respiratory Illnesses in HIV-Infected and HIV-Uninfected Patients, South Africa, 2012-2016. Emerg Infect Dis. 2017 07; 23(7):1124-1132.
Score: 0,145
-
Risk Factors for Influenza-Associated Severe Acute Respiratory Illness Hospitalization in South Africa, 2012-2015. Open Forum Infect Dis. 2017; 4(1):ofw262.
Score: 0,142
-
Estimating vaccine effectiveness in preventing laboratory-confirmed influenza in outpatient settings in South Africa, 2015. Influenza Other Respir Viruses. 2017 03; 11(2):177-181.
Score: 0,140
-
Knowledge, attitudes, and practices about influenza illness and vaccination: a cross-sectional survey in two South African communities. Influenza Other Respir Viruses. 2016 09; 10(5):421-8.
Score: 0,134
-
Epidemiology of Acute Lower Respiratory Tract Infection in HIV-Exposed Uninfected Infants. Pediatrics. 2016 Apr; 137(4).
Score: 0,133
-
Sapovirus prevalence in children less than five years of age hospitalised for diarrhoeal disease in South Africa, 2009-2013. J Clin Virol. 2016 May; 78:82-8.
Score: 0,133
-
Streptococcus pneumoniae Serotypes and Mortality in Adults and Adolescents in South Africa: Analysis of National Surveillance Data, 2003 - 2008. PLoS One. 2015; 10(10):e0140185.
Score: 0,129
-
Parainfluenza Virus Infection Among Human Immunodeficiency Virus (HIV)-Infected and HIV-Uninfected Children and Adults Hospitalized for Severe Acute Respiratory Illness in South Africa, 2009-2014. Open Forum Infect Dis. 2015 Dec; 2(4):ofv139.
Score: 0,129
-
Determining the Provincial and National Burden of Influenza-Associated Severe Acute Respiratory Illness in South Africa Using a Rapid Assessment Methodology. PLoS One. 2015; 10(7):e0132078.
Score: 0,127
-
Evaluation of influenza vaccine effectiveness and description of circulating strains in outpatient settings in South Africa, 2014. Influenza Other Respir Viruses. 2015 Jul; 9(4):209-15.
Score: 0,127
-
Excess Mortality Associated with Influenza among Tuberculosis Deaths in South Africa, 1999-2009. PLoS One. 2015; 10(6):e0129173.
Score: 0,126
-
Mortality Associated With Seasonal and Pandemic Influenza Among Pregnant and Nonpregnant Women of Childbearing Age in a High-HIV-Prevalence Setting-South Africa, 1999-2009. Clin Infect Dis. 2015 Oct 01; 61(7):1063-70.
Score: 0,126
-
Effectiveness and knowledge, attitudes and practices of seasonal influenza vaccine in primary healthcare settings in South Africa, 2010-2013. Influenza Other Respir Viruses. 2015 May; 9(3):143-50.
Score: 0,125
-
Deaths associated with respiratory syncytial and influenza viruses among persons =5 years of age in HIV-prevalent area, South Africa, 1998-2009(1). Emerg Infect Dis. 2015 Apr; 21(4):600-8.
Score: 0,124
-
Evaluation of two influenza surveillance systems in South Africa. PLoS One. 2015; 10(3):e0120226.
Score: 0,124
-
Mortality amongst patients with influenza-associated severe acute respiratory illness, South Africa, 2009-2013. PLoS One. 2015; 10(3):e0118884.
Score: 0,124
-
Epidemiology of severe acute respiratory illness (SARI) among adults and children aged =5 years in a high HIV-prevalence setting, 2009-2012. PLoS One. 2015; 10(2):e0117716.
Score: 0,124
-
Epidemiology of viral-associated acute lower respiratory tract infection among children <5 years of age in a high HIV prevalence setting, South Africa, 2009-2012. Pediatr Infect Dis J. 2015 Jan; 34(1):66-72.
Score: 0,122
-
Epidemiology of influenza virus types and subtypes in South Africa, 2009-2012. Emerg Infect Dis. 2014 Jul; 20(7):1162-9.
Score: 0,118
-
Mortality associated with seasonal and pandemic influenza and respiratory syncytial virus among children <5 years of age in a high HIV prevalence setting--South Africa, 1998-2009. Clin Infect Dis. 2014 May; 58(9):1241-9.
Score: 0,115
-
Severe influenza-associated respiratory infection in high HIV prevalence setting, South Africa, 2009-2011. Emerg Infect Dis. 2013 Nov; 19(11):1766-74.
Score: 0,113
-
COVID-19 Vaccine Uptake and Effectiveness by Time since Vaccination in the Western Cape Province, South Africa: An Observational Cohort Study during 2020-2022. Vaccines (Basel). 2024 Jun 05; 12(6).
Score: 0,059
-
Genomic diversity and antimicrobial susceptibility of invasive Neisseria meningitidis in South Africa, 2016-2021. J Infect Dis. 2024 Apr 30.
Score: 0,058
-
COVID-19 vaccine uptake and effectiveness by time since vaccination in the Western Cape province, South Africa: An observational cohort study during 2020-2022. medRxiv. 2024 Jan 25.
Score: 0,057
-
Modeling the impact of COVID-19 nonpharmaceutical interventions on respiratory syncytial virus transmission in South Africa. Influenza Other Respir Viruses. 2023 Dec; 17(12):e13229.
Score: 0,057
-
Genomic characterization of Bordetella pertussis in South Africa, 2015-2019. Microb Genom. 2023 Dec; 9(12).
Score: 0,057
-
International Pediatric COVID-19 Severity Over the Course of the Pandemic. JAMA Pediatr. 2023 10 01; 177(10):1073-1084.
Score: 0,056
-
TNFAIP3-interacting protein 1 polymorphisms and their association with symptomatic human respiratory syncytial virus infection and bronchiolitis in infants younger than one year from South Africa: A case-control study. Int J Infect Dis. 2023 Nov; 136:107-110.
Score: 0,056
-
Association of close-range contact patterns with SARS-CoV-2: a household transmission study. Elife. 2023 07 18; 12.
Score: 0,055
-
Knowledge, attitudes, practices and intention to get vaccinated against COVID-19: results from a cross-sectional survey in three peri-urban communities in South Africa. Pan Afr Med J. 2023; 45:120.
Score: 0,055
-
Trends in Cases, Hospitalizations, and Mortality Related to the Omicron BA.4/BA.5 Subvariants in South Africa. Clin Infect Dis. 2023 04 17; 76(8):1468-1475.
Score: 0,054
-
Optimal age targeting for pneumococcal vaccination in older adults; a modelling study. Nat Commun. 2023 02 16; 14(1):888.
Score: 0,054
-
High prevalence of SARS-CoV-2 antibodies in pregnant women after the second wave of infections in the inner-city of Johannesburg, Gauteng Province, South Africa. Int J Infect Dis. 2022 Dec; 125:241-249.
Score: 0,053
-
Coronavirus Host Genomics Study: South Africa (COVIGen-SA). Glob Health Epidemiol Genom. 2022; 2022:7405349.
Score: 0,052
-
Pathogens detected using a syndromic molecular diagnostic platform in patients hospitalized with severe respiratory illness in South Africa in 2017. Int J Infect Dis. 2022 Sep; 122:389-397.
Score: 0,051
-
The impact of COVID-19 non-pharmaceutical interventions on future respiratory syncytial virus transmission in South Africa. medRxiv. 2022 Mar 13.
Score: 0,050
-
Prolonged shedding of SARS-CoV-2 at high viral loads amongst hospitalised immunocompromised persons living with HIV, South Africa. Clin Infect Dis. 2022 Feb 02.
Score: 0,050
-
Epidemiology of SARS-CoV-2 infection and SARS-CoV-2 positive hospital admissions among children in South Africa. Influenza Other Respir Viruses. 2022 01; 16(1):34-47.
Score: 0,049
-
Human respiratory syncytial virus diversity and epidemiology among patients hospitalized with severe respiratory illness in South Africa, 2012-2015. Influenza Other Respir Viruses. 2022 03; 16(2):222-235.
Score: 0,049
-
The importation and establishment of community transmission of SARS-CoV-2 during the first eight weeks of the South African COVID-19 epidemic. EClinicalMedicine. 2021 Sep; 39:101072.
Score: 0,048
-
Risk factors for COVID-19-related in-hospital mortality in a high HIV and tuberculosis prevalence setting in South Africa: a cohort study. Lancet HIV. 2021 09; 8(9):e554-e567.
Score: 0,048
-
Epidemiology of Pertussis in Individuals of All Ages Hospitalized With Respiratory Illness in South Africa, January 2013-December 2018. Clin Infect Dis. 2021 08 02; 73(3):e745-e753.
Score: 0,048
-
Difference in mortality among individuals admitted to hospital with COVID-19 during the first and second waves in South Africa: a cohort study. Lancet Glob Health. 2021 09; 9(9):e1216-e1225.
Score: 0,048
-
Influenza surveillance capacity improvements in Africa during 2011-2017. Influenza Other Respir Viruses. 2021 07; 15(4):495-505.
Score: 0,046
-
Human surveillance and phylogeny of highly pathogenic avian influenza A(H5N8) during an outbreak in poultry in South Africa, 2017. Influenza Other Respir Viruses. 2020 05; 14(3):266-273.
Score: 0,044
-
Heterogeneity in influenza seasonality and vaccine effectiveness in Australia, Chile, New Zealand and South Africa: early estimates of the 2019 influenza season. Euro Surveill. 2019 Nov; 24(45).
Score: 0,043
-
A cost-effectiveness analysis of antenatal influenza vaccination among HIV-infected and HIV-uninfected pregnant women in South Africa. Vaccine. 2019 10 31; 37(46):6874-6884.
Score: 0,042
-
The Fraction of Rhinovirus Detections Attributable to Mild and Severe Respiratory Illness in a Setting of High Human Immunodeficiency Virus Prevalence, South Africa, 2013-2015. J Infect Dis. 2019 05 05; 219(11):1697-1704.
Score: 0,041
-
Challenges and clinical relevance of molecular detection of Bordetella pertussis in South Africa. BMC Infect Dis. 2019 Mar 21; 19(1):276.
Score: 0,041
-
Replacement of neuraminidase inhibitor-susceptible influenza A(H1N1) with resistant phenotype in 2008 and circulation of susceptible influenza A and B viruses during 2009-2013, South Africa. Influenza Other Respir Viruses. 2019 01; 13(1):54-63.
Score: 0,040
-
Influenza Viral Shedding in a Prospective Cohort of HIV-Infected and Uninfected Children and Adults in 2 Provinces of South Africa, 2012-2014. J Infect Dis. 2018 09 08; 218(8):1228-1237.
Score: 0,039
-
Healthcare utilization for common infectious disease syndromes in Soweto and Klerksdorp, South Africa. Pan Afr Med J. 2018; 30:271.
Score: 0,039
-
Human bocavirus, coronavirus, and polyomavirus detected among patients hospitalised with severe acute respiratory illness in South Africa, 2012 to 2013. Health Sci Rep. 2018 Aug; 1(8):e59.
Score: 0,039
-
Epidemiology and Molecular Identification and Characterization of Mycoplasma pneumoniae, South Africa, 2012-2015. Emerg Infect Dis. 2018 03; 24(3):506-513.
Score: 0,038
-
Enterovirus genotypes among patients with severe acute respiratory illness, influenza-like illness, and asymptomatic individuals in South Africa, 2012-2014. J Med Virol. 2017 10; 89(10):1759-1767.
Score: 0,036
-
Respiratory syncytial virus in adults with severe acute respiratory illness in a high HIV prevalence setting. J Infect. 2017 10; 75(4):346-355.
Score: 0,036
-
Epidemiology of influenza B/Yamagata and B/Victoria lineages in South Africa, 2005-2014. PLoS One. 2017; 12(5):e0177655.
Score: 0,036
-
Knowledge, attitudes and practices of South African healthcare workers regarding the prevention and treatment of influenza among HIV-infected individuals. PLoS One. 2017; 12(3):e0173983.
Score: 0,036
-
Severity of Respiratory Syncytial Virus Lower Respiratory Tract Infection With Viral Coinfection in HIV-Uninfected Children. Clin Infect Dis. 2017 02 15; 64(4):443-450.
Score: 0,035
-
Development of a respiratory severity score for hospitalized adults in a high HIV-prevalence setting-South Africa, 2010-2011. BMC Pulm Med. 2017 02 02; 17(1):28.
Score: 0,035
-
Legionnaires' Disease in South Africa, 2012-2014. Emerg Infect Dis. 2016 Jan; 22(1):131-3.
Score: 0,033
-
The role of influenza, RSV and other common respiratory viruses in severe acute respiratory infections and influenza-like illness in a population with a high HIV sero-prevalence, South Africa 2012-2015. J Clin Virol. 2016 Feb; 75:21-6.
Score: 0,033
-
Assessing the impact of pneumococcal conjugate vaccines on invasive pneumococcal disease using polymerase chain reaction-based surveillance: an experience from South Africa. BMC Infect Dis. 2015 Oct 26; 15:450.
Score: 0,032
-
Human metapneumovirus-associated severe acute respiratory illness hospitalisation in HIV-infected and HIV-uninfected South African children and adults. J Clin Virol. 2015 Aug; 69:125-32.
Score: 0,032
-
Potential Impact of Co-Infections and Co-Morbidities Prevalent in Africa on Influenza Severity and Frequency: A Systematic Review. PLoS One. 2015; 10(6):e0128580.
Score: 0,032
-
Effectiveness of monovalent human rotavirus vaccine against admission to hospital for acute rotavirus diarrhoea in South African children: a case-control study. Lancet Infect Dis. 2014 Nov; 14(11):1096-1104.
Score: 0,030
-
Genetic diversity and molecular epidemiology of human rhinoviruses in South Africa. Influenza Other Respir Viruses. 2014 Sep; 8(5):567-73.
Score: 0,030
-
High nasopharyngeal pneumococcal density, increased by viral coinfection, is associated with invasive pneumococcal pneumonia. J Infect Dis. 2014 Nov 15; 210(10):1649-57.
Score: 0,029
-
Epidemiology of respiratory syncytial virus-associated acute lower respiratory tract infection hospitalizations among HIV-infected and HIV-uninfected South African children, 2010-2011. J Infect Dis. 2013 Dec 15; 208 Suppl 3:S217-26.
Score: 0,028
-
HIV and influenza virus infections are associated with increased blood pneumococcal load: a prospective, hospital-based observational study in South Africa, 2009-2011. J Infect Dis. 2014 Jan 01; 209(1):56-65.
Score: 0,028
-
Respiratory viral coinfections identified by a 10-plex real-time reverse-transcription polymerase chain reaction assay in patients hospitalized with severe acute respiratory illness--South Africa, 2009-2010. J Infect Dis. 2012 Dec 15; 206 Suppl 1:S159-65.
Score: 0,027