About: Burden and seasonality of medically attended influenza like illness (ILI) in Ethiopia, 2012 to 2017

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About: Burden and seasonality of medically attended influenza like illness (ILI) in Ethiopia, 2012 to 2017 Goto Sponge NotDistinct Permalink

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Burden and seasonality of medically attended influenza like illness (ILI) in Ethiopia, 2012 to 2017
Creator	Belay, Desalegn Mengesha, Mesfin Tayachew, Adamu Assefa, Zewdu Ayele, Workenesh Beyene, Berhan Hassen, Abdulhafiz Kassa, Wubayehu Mekonen, Mikias Moges, Beyene Tadesse, Musse Teshome, Bethel Woyessa, Abyot Zemelak, Etsehiwot
source	PMC
abstract	BACKGROUND: The influenza virus spreads rapidly around the world in seasonal epidemics, resulting in significant morbidity and mortality. Influenza-related incidence data are limited in many countries in Africa despite established sentinel surveillance. This study aimed to address the information gap by estimating the burden and seasonality of medically attended influenza like illness in Ethiopia. METHOD: Influenza sentinel surveillance data collected from 3 influenza like illness (ILI) and 5 Severe Acute Respiratory Illness (SARI) sites from 2012 to 2017 was used for analysis. Descriptive statistics were applied for simple analysis. The proportion of medically attended influenza positive cases and incidence rate of ILI was determined using total admitted patients and catchment area population. Seasonality was estimated based on weekly trend of ILI and predicted threshold was done by applying the “Moving Epidemic Method (MEM)”. RESULT: A total of 5715 medically attended influenza suspected patients who fulfills ILI and SARI case definition (77% ILI and 23% SARI) was enrolled. Laboratory confirmed influenza virus (influenza positive case) among ILI and SARI suspected case was 25% (1130/4426) and 3% (36/1289). Of which, 65% were influenza type A. The predominantly circulating influenza subtype were seasonal influenza A(H3N2) (n = 455, 60%) and Influenza A(H1N1)pdm09 (n = 293, 38.81%). The estimated mean annual influenza positive case proportion and ILI incidence rate was 160.04 and 52.48 per 100,000 population. The Incidence rate of ILI was higher in the age group of 15–44 years of age [‘Incidence rate (R) = 254.6 per 100,000 population’, 95% CI; 173.65, 335.55] and 5–14 years of age [R = 49.5, CI 95%; 31.47, 130.43]. The seasonality of influenza has two peak seasons; in a period from October–December and from April–June. CONCLUSION: Significant morbidity of influenza like illness was observed with two peak seasons of the year and seasonal influenza A (H3N2) remains the predominantly circulating influenza subtype. Further study need to be considered to identify potential risks and improving the surveillance system to continue early detection and monitoring of circulating influenza virus in the country has paramount importance.
has issue date	2020-02-18(xsd:dateTime)
bibo:doi	10.1186/s12879-020-4827-0
bibo:pmid	32070275
has license	cc-by
sha1sum (hex)	b7766be5161e8387e773fcc05b27c8614d7a4945
schema:url	https://doi.org/10.1186/s12879-020-4827-0
resource representing a document's title	Burden and seasonality of medically attended influenza like illness (ILI) in Ethiopia, 2012 to 2017
has PubMed Central identifier	PMC7029599
has PubMed identifier	32070275
schema:publication	BMC Infect Dis
resource representing a document's body	covid:b7766be5161e8387e773fcc05b27c8614d7a4945#body_text
is schema:about of	covid:arg/b7766be5161e8387e773fcc05b27c8614d7a4945 named entity 'SARI' named entity 'influenza' named entity 'data collected' named entity 'SARI' named entity 'Africa' named entity 'morbidity' named entity 'influenza virus' named entity 'ILI' named entity 'seasons of the year' named entity 'Incidence rate' named entity 'sentinel surveillance' named entity 'influenza' named entity 'H3N2' named entity 'ILI' named entity 'morbidity' named entity 'Ethiopia' named entity 'sentinel surveillance' named entity 'Influenza' named entity 'SARI' named entity 'Incidence rate' named entity 'incidence rate' named entity 'H3N2' named entity 'SARI' named entity 'ILI' named entity 'ILI' named entity 'Madagascar' named entity 'number of new cases' named entity 'Vietnam' named entity 'SARI' named entity 'respiratory tract disease' named entity 'myalgia' named entity 'SARI' named entity 'Influenza' named entity 'influenza vaccination' named entity 'frequency distribution' named entity 'influenza' named entity 'influenza' named entity 'Epidemic' named entity 'Influenza' named entity 'influenza season' named entity 'influenza' named entity 'influenza like illness' named entity 'northern hemisphere' named entity 'Seasonal influenza' named entity '7.9' named entity 'influenza' named entity 'Incidence rates' named entity 'SARI' named entity 'incidence rate' named entity 'Seasonal Influenza' named entity 'seasonality' named entity 'SARI' named entity 'WHO' named entity 'medical service' named entity 'influenza' named entity 'influenza' named entity 'Incidence rate' named entity 'Oromia' named entity 'influenza' named entity 'influenza' named entity 'V-23' named entity 'ILI' named entity 'Ethiopia' named entity 'health care service' named entity 'influenza' named entity 'influenza' named entity 'seasonality'

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