ArticleEmerging infectious diseases2023
Shifting Patterns of Influenza Circulation during the COVID-19 Pandemic, Senegal.
Article in Emerging infectious diseases, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 15 citations in OpenAlex.
- A 3-year wastewater-based epidemiology study of noroviruses in Senegal.Applied and environmental microbiology · 2026Article
- Epidemiological, Clinical and Viral Genomic Features of Influenza Virus Infections Among Pilgrims During the Grand Magal of Touba Over 7 Years (2018-2024).Journal of medical virology · 2026Article
- Oral and plasma microbiome in the context of acute febrile illness.medRxiv : the preprint server for health sciences · 2026Article
- A sixteen-month monitoring of human enteric viruses associated with acute gastroenteritis in Senegal.Gut pathogens · 2026Article
- How Has the COVID-19 Pandemic Affected the Influenza Seasonality Patterns in Different Climate Regions?-A Time-Series Analysis.Health science reports · 2026Article
- Temporal trends in respiratory and gastrointestinal infections at the Grand Magal of Touba: the effect of the COVID-19 pandemic.New microbes and new infections · 2026Article
- A single-center, two-year, retrospective study of epidemiological characteristics of respiratory tract infections in Changzhou, China.Frontiers in public health · 2026Article
- Sentinel surveillance of COVID-19 in 2024-2025 shows the persistence of Omicron circulation and the introduction of the XFJ recombinant in the Republic of Guinea.The Pan African medical journal · 2026Article
- Genomic Surveillance and Phylogenetic Analysis of Influenza A(H1N1) pdm09 and A(H3N2) Viruses in Burkina Faso, 2024.Advances in virology · 2026Article
- Molecular surveillance of influenza A and B in namibia: seasonal patterns and clinical correlates (2021-2023).BMC infectious diseases · 2025Article
- A Case Study on Trends in Acute Respiratory Illnesses and Influenza in Singapore: Pre-, during, and Post-COVID-19 Pandemic.Iranian journal of public health · 2025Article
- Article
- Quantitative assessment of Public Health and Social Measures implementation and relaxation on influenza transmission during COVID-19 in China: SEIABR and GBDT models.Journal of global health · 2024Article
- Patients with influenza admitted to a tertiary-care hospital in Riyadh between 2018 and 2022: characteristics, outcomes and factors associated with ICU admission and mortality.BMC pulmonary medicine · 2024Article
- Infection Rates and Symptomatic Proportion of SARS-CoV-2 and Influenza in Pediatric Population, China, 2023.Emerging infectious diseases · 2024Article
- Comparative Epidemiological and Clinical Outcomes on COVID-19 and Seasonal Influenza Hospitalized Patients during 2023.Infectious disease reports · 2024Article
- Epidemiologic and Virologic Characteristics of Influenza in Lao PDR, 2016-2023.Influenza and other respiratory viruses · 2024Article
- Serological survey in a university community after the fourth wave of COVID-19 in Senegal.PloS one · 2024Article
- Frequency of respiratory virus-associated infection among children and adolescents from a tertiary-care hospital in Mexico City.Scientific reports · 2023Article
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Authors and funding
12 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Historically low levels of seasonal influenza circulation were reported during the first years of the COVID-19 pandemic and were mainly attributed to implementation of nonpharmaceutical interventions. In tropical regions, influenza's seasonality differs largely, and data on this topic are scarce. We analyzed data from Senegal's sentinel syndromic surveillance network before and after the start of the COVID-19 pandemic to assess changes in influenza circulation. We found that influenza shows year-round circulation in Senegal and has 2 distinct epidemic peaks: during January-March and during the rainy season in August-October. During 2021-2022, the expected January-March influenza peak completely disappeared, corresponding to periods of active SARS-CoV-2 circulation. We noted an unexpected influenza epidemic peak during May-July 2022. The observed reciprocal circulation of SARS-CoV-2 and influenza suggests that factors such as viral interference might be at play and should be further investigated in tropical settings.
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