Cornelius Ohonsi

Response Rates in a COVID-19 Seroepidemiological Survey in Nigeria: Variations by State, Age Group, and Urban-Rural Settings

Kazeem Adewale Osuolale, Adewale Kayode Ojogbede, Adesola Zaidat Musa, Oluwagbemiga Aina et autres

The COVID-19 pandemic has presented substantial global challenges, necessitating a deep understanding of infection dynamics across diverse populations. Seroepidemiological studies offer valuable insights into these dynamics but depend heavily on obtaining representative samples. This study aimed to assess participant response rates across …

Nigéria (code pays fourni par la source)

Performance evaluation of SARS-CoV-2 rapid diagnostic tests in Nigeria: A cross-sectional study

Akhere Omonkhua, Adedayo Omotayo Faneye, Kazeem Akinwande, Okpokoro Evaezi et autres

The COVID-19 pandemic challenged health systems globally. Reverse transcription polymerase chain reaction (RT-PCR) is the gold standard for detecting the presence of SARS-CoV-2 in clinical samples. Rapid diagnostic test (RDT) kits for COVID-19 have been widely used in Nigeria. This has greatly …

Nigéria, Afrique du Sud (code pays fourni par la source)

Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Coinfection with Malaria in Selected States in Nigeria

Oluwagbemiga Aina, Olufemi Samuel Amoo, Kazeem Adewale Osuolale, Adewale Kayode Ojogbede et autres

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and Plasmodium species are the causative agents of coronavirus disease 2019 (COVID-19) and malaria respectively with similar clinical presentations. The objective of this study is to determine the burden of co-infection of SARS-CoV-2 and malaria …

Nigéria, Eswatini (code pays fourni par la source)

Predictors of Lassa fever diagnosis in suspected cases reporting to health facilities in Nigeria

Chinwe Lucia Ochu, Lorretta F. C. Ntoimo, Ikenna Onoh, Friday Okonofua et autres

Lassa fever (LF) remains endemic in Nigeria with the country reporting the highest incidence and mortality globally. Recent national data suggests increasing incidence and expanding geographic spread. Predictors of LF case positivity in Nigeria have been sparsely studied. We thus sought to …

Nigéria (code pays fourni par la source)

Epidemiological trends of Lassa fever in Nigeria, 2018–2021

Mahmood Dalhat, Adebola Olayinka, Martin Madu Meremikwu, Chioma Dan-Nwafor et autres

BACKGROUND: Lassa fever is a viral haemorrhagic fever endemic in Nigeria. Improved surveillance and testing capacity have revealed in an increased number of reported cases and apparent geographic spread of Lassa fever in Nigeria. We described the recent four-year trend of Lassa …

Nigéria (code pays fourni par la source)

COVID-19 vaccine effectiveness studies in Nigeria: Quo vadis?

Oluwatosin Wuraola Akande, Ehimario Uche Igumbor, Kelly Elimian, Cornelius Ohonsi et autres

The “lickety–split” development of COVID-19 vaccines 326 days from when the SARS-COV-2 virus was first sequenced is indeed one of the public health successes of the 21st century. Particularly because an 18-month target was initially considered reasonable, and having achieved this success, …

Nigéria, Afrique du Sud, se, us, gb (code pays fourni par la source)

COVID-19 mortality rate and its associated factors during the first and second waves in Nigeria

Kelly Elimian, Anwar Musah, Carina J. King, Ehimario Uche Igumbor et autres

COVID-19 mortality rate has not been formally assessed in Nigeria. Thus, we aimed to address this gap and identify associated mortality risk factors during the first and second waves in Nigeria. This was a retrospective analysis of national surveillance data from all …

se, Nigéria, gb, Éthiopie, us (code pays fourni par la source)

Epidemiological comparison of the first and second waves of the COVID-19 pandemic in Nigeria, February 2020–April 2021

Oluwatosin Wuraola Akande, Kelly Elimian, Ehimario Uche Igumbor, Lauryn Dunkwu et autres

BACKGROUND: With reports of surges in COVID-19 case numbers across over 50 countries, country-level epidemiological analysis is required to inform context-appropriate response strategies for containment and mitigation of the outbreak. We aimed to compare the epidemiological features of the first and second …

Nigéria, se, Afrique du Sud, us, gb (code pays fourni par la source)

Assessing the capacity of symptom scores to predict COVID-19 positivity in Nigeria: a national derivation and validation cohort study

Kelly Elimian, Olaolu Moses Aderinola, Jack Gibson, Puja R Myles et autres

OBJECTIVES: This study aimed to develop and validate a symptom prediction tool for COVID-19 test positivity in Nigeria. DESIGN: Predictive modelling study. SETTING: All Nigeria States and the Federal Capital Territory. PARTICIPANTS: A cohort of 43 221 individuals within the national COVID-19 …

se, Nigéria, gb, Afrique du Sud (code pays fourni par la source)

Incidence Rate of COVID-19 Mortality and its Associated Factors During the First and Second Waves in Nigeria: A Retrospective Cohort Study

Kelly Elimian, Anwar Musah, Carina J. King, Ehimario Uche Igumbor et autres

se, Bénin, Nigéria, gb, Éthiopie, no, us, qa, ru, pk, ch (code pays fourni par la source)