Opeayo Ogundiran
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View article: A review of the performance of the early warning alert and response system (EWARS) in conflict-affected Borno State, Nigeria: a five-year descriptive analysis
A review of the performance of the early warning alert and response system (EWARS) in conflict-affected Borno State, Nigeria: a five-year descriptive analysis Open
The EWARS system demonstrated significant operational value in strengthening disease surveillance and triggering early warning alerts in the conflict-affected Borno State. Despite not meeting all national performance targets, the system sh…
View article: Assessing the utility of the COVID-19 epidemic Situations of Concern classification system in guiding operational responses to the pandemic in the WHO African region: retrospective analysis
Assessing the utility of the COVID-19 epidemic Situations of Concern classification system in guiding operational responses to the pandemic in the WHO African region: retrospective analysis Open
During a public health emergency, early implementation of response activities is crucial for saving lives and protecting livelihoods. The COVID-19 pandemic, declared by the World Health Organization (WHO) on March 11, 2020, posed a global …
View article: Informing the pandemic response: the role of the WHO’s COVID-19 Weekly Epidemiological Update
Informing the pandemic response: the role of the WHO’s COVID-19 Weekly Epidemiological Update Open
On 31 December 2019, the Municipal Health Commission of Wuhan, China, reported a cluster of atypical pneumonia cases. On 5 January 2020, the WHO publicly released a Disease Outbreak News (DON) report, providing information about the pneumo…
View article: Analysing the implementation of infection prevention and control measures in health care facilities during the COVID-19 pandemic in the African Region
Analysing the implementation of infection prevention and control measures in health care facilities during the COVID-19 pandemic in the African Region Open
Background The declaration of SARS-CoV-2 as a public health emergency of international concern in January 2020 prompted the need to strengthen infection prevention and control (IPC) capacities within health care facilities (HCF). IPC guide…
View article: WHO Global Situational Alert System: a mixed methods multistage approach to identify country-level COVID-19 alerts
WHO Global Situational Alert System: a mixed methods multistage approach to identify country-level COVID-19 alerts Open
Background Globally, since 1 January 2020 and as of 24 January 2023, there have been over 664 million cases of COVID-19 and over 6.7 million deaths reported to WHO. WHO developed an evidence-based alert system, assessing public health risk…
View article: Analysing the implementation of infection prevention and control measures in health care facilities during the COVID-19 pandemic in the African Region
Analysing the implementation of infection prevention and control measures in health care facilities during the COVID-19 pandemic in the African Region Open
Background The declaration of SARS-CoV-2 as a public health emergency of international concern in January 2020 prompted the need to strengthen infection prevention and control (IPC) capacities within health care facilities (HCF). IPC guide…
View article: Description of the first global outbreak of mpox: an analysis of global surveillance data
Description of the first global outbreak of mpox: an analysis of global surveillance data Open
For the French and Spanish translations of the abstract see Supplementary Materials section.
View article: Transitioning the COVID-19 response in the WHO African region: a proposed framework for rethinking and rebuilding health systems
Transitioning the COVID-19 response in the WHO African region: a proposed framework for rethinking and rebuilding health systems Open
The onset of the pandemic revealed the health system inequities and inadequate preparedness, especially in the African continent. Over the past months, African countries have ensured optimum pandemic response. However, there is still a nee…
View article: An in-depth statistical analysis of the COVID-19 pandemic’s initial spread in the WHO African region
An in-depth statistical analysis of the COVID-19 pandemic’s initial spread in the WHO African region Open
During the first wave of the COVID-19 pandemic, sub-Saharan African countries experienced comparatively lower rates of SARS-CoV-2 infections and related deaths than in other parts of the world, the reasons for which remain unclear. Yet, th…
View article: Time to death and risk factors associated with mortality among COVID-19 cases in countries within the WHO African region in the early stages of the COVID-19 pandemic
Time to death and risk factors associated with mortality among COVID-19 cases in countries within the WHO African region in the early stages of the COVID-19 pandemic Open
This study describes risk factors associated with mortality among COVID-19 cases reported in the WHO African region between 21 March and 31 October 2020. Average hazard ratios of death were calculated using weighted Cox regression as well …
View article: Electronic reporting of integrated disease surveillance and response: lessons learned from northeast, Nigeria, 2019
Electronic reporting of integrated disease surveillance and response: lessons learned from northeast, Nigeria, 2019 Open
View article: Leveraging Polio Geographic Information System Platforms in the African Region for Mitigating COVID-19 Contact Tracing and Surveillance Challenges: Viewpoint
Leveraging Polio Geographic Information System Platforms in the African Region for Mitigating COVID-19 Contact Tracing and Surveillance Challenges: Viewpoint Open
Background The ongoing COVID-19 pandemic in Africa is an urgent public health crisis. Estimated models projected over 150,000 deaths and 4,600,000 hospitalizations in the first year of the disease in the absence of adequate interventions. …
View article: Electronic Reporting of Integrated Disease Surveillance and Response: Lessons learned from Northeast, Nigeria, 2019.
Electronic Reporting of Integrated Disease Surveillance and Response: Lessons learned from Northeast, Nigeria, 2019. Open
Background: Electronic reporting of integrated disease surveillance and response (eIDSR) was implemented in Adamawa and Yobe states, North-East of Nigeria, as an innovative strategy to improve disease reporting. Its objectives were to impr…
View article: COVID-19 in the WHO African region: using risk assessment to inform decisions on public health and social measures
COVID-19 in the WHO African region: using risk assessment to inform decisions on public health and social measures Open
Successive waves of COVID-19 transmission have led to exponential increases in new infections globally. In this study, we have applied a decision-making tool to assess the risk of continuing transmission to inform decisions on tailored pub…
View article: Implementing epidemic intelligence in the WHO African region for early detection and response to acute public health events
Implementing epidemic intelligence in the WHO African region for early detection and response to acute public health events Open
Epidemic intelligence activities are undertaken by the WHO Regional Office for Africa to support member states in early detection and response to outbreaks to prevent the international spread of diseases. We reviewed epidemic intelligence …
View article: Electronic Reporting of Integrated Disease Surveillance and Response: Lessons learned from Northeast, Nigeria, 2019.
Electronic Reporting of Integrated Disease Surveillance and Response: Lessons learned from Northeast, Nigeria, 2019. Open
Background: Electronic reporting of integrated disease surveillance and response (eIDSR) was implemented in Adamawa and Yobe states, North-East of Nigeria, as an innovative strategy to improve disease reporting. Its objectives were to impr…
View article: Electronic Reporting of Integrated Disease Surveillance and Response: Lessons Learned from Northeast, Nigeria, 2019.
Electronic Reporting of Integrated Disease Surveillance and Response: Lessons Learned from Northeast, Nigeria, 2019. Open
Background: Electronic reporting of integrated disease surveillance and response (eIDSR) was implemented in two states in North-East Nigeria as an innovative strategy to improve disease reporting. Its objectives were to improve the timelin…
View article: Leveraging Polio Geographic Information System Platforms in the African Region for Mitigating COVID-19 Contact Tracing and Surveillance Challenges: Viewpoint (Preprint)
Leveraging Polio Geographic Information System Platforms in the African Region for Mitigating COVID-19 Contact Tracing and Surveillance Challenges: Viewpoint (Preprint) Open
BACKGROUND The ongoing COVID-19 pandemic in Africa is an urgent public health crisis. Estimated models projected over 150,000 deaths and 4,600,000 hospitalizations in the first year of the disease in the absence of adequate interventions.…
View article: Complete Genome Sequence of a Hepatitis E Virus Genotype 1e Strain from an Outbreak in Nigeria, 2017
Complete Genome Sequence of a Hepatitis E Virus Genotype 1e Strain from an Outbreak in Nigeria, 2017 Open
Hepatitis E virus genotype 1 (HEV-1) is associated with large epidemics. Notably, HEV subtype 1e (HEV-1e) has caused HEV outbreaks in sub-Saharan Africa.
View article: Infectious disease outbreaks in the African region: overview of events reported to the World Health Organization in 2018 – ERRATUM
Infectious disease outbreaks in the African region: overview of events reported to the World Health Organization in 2018 – ERRATUM Open
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View article: Infectious disease outbreaks in the African region: overview of events reported to the World Health Organization in 2018
Infectious disease outbreaks in the African region: overview of events reported to the World Health Organization in 2018 Open
The WHO African region is characterised by the largest infectious disease burden in the world. We conducted a retrospective descriptive analysis using records of all infectious disease outbreaks formally reported to the WHO in 2018 by Memb…
View article: A new hepatitis E virus genotype 2 strain identified from an outbreak in Nigeria, 2017
A new hepatitis E virus genotype 2 strain identified from an outbreak in Nigeria, 2017 Open