ArticlePloS one2021
Seasonal influenza during the COVID-19 pandemic in Bangladesh.
Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.
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Who cites it
19 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.
- Systematic review of influenza vaccine effectiveness against laboratory-confirmed influenza among older adults living in aged care facilities.Human vaccines & immunotherapeutics · 2023Pooled it
- COVID-19 vaccination and mortality among coronary care patients with severe acute respiratory infection in Bangladesh: a prospective study (2021-2024).The Lancet regional health. Southeast Asia · 2026Article
- Incidence of Recurrent Adverse Cardiovascular Events Among Patients With Acute Myocardial Infarction During the First Wave of the COVID-19 Pandemic in Bangladesh: A Prospective Observational Study.Health science reports · 2025Article
- Trend of influenza before and during the COVID-19 pandemic in Nepal-A study from 2018 to 2022.PloS one · 2025Article
- Article
- Epidemiologic and Virologic Characteristics of Influenza in Lao PDR, 2016-2023.Influenza and other respiratory viruses · 2024Article
- The Detection of Influenza Virus Before and During the COVID-19 Pandemic in Cameroon.Influenza and other respiratory viruses · 2024Article
- Use of Sentinel Surveillance Platforms for Monitoring SARS-CoV-2 Activity: Evidence From Analysis of Kenya Influenza Sentinel Surveillance Data.JMIR public health and surveillance · 2024Article
- Identify future epidemic threshold and intensity for influenza-like illness in Iraq by using the moving epidemic method.IJID regions · 2024Article
- Factors affecting the number of influenza patients before and during COVID-19 pandemic, Thailand.PloS one · 2024Article
- Characterizing deaths among adult patients with severe acute respiratory infection: during the pre- and COVID-19 pandemic periods in Bangladesh, 2018-2022.Tropical medicine and health · 2023Article
- The impact of current and future climates on spatiotemporal dynamics of influenza in a tropical setting.PNAS nexus · 2023Article
- Respiratory viruses in the pre and post-pandemic periods in an Italian tertiary hospital.Immunity, inflammation and disease · 2023Article
- The effects of the COVID-19 pandemic on community respiratory virus activity.Nature reviews. Microbiology · 2023Review
- Whole-Genome Analysis of Influenza A(H3N2) and B/Victoria Viruses Detected in Myanmar during the COVID-19 Pandemic in 2021.Viruses · 2023Article
- Seasonal influenza vaccine uptake among healthcare workers in tertiary care hospitals, Bangladesh: Study protocol for influenza vaccine supply and awareness intervention.BMC public health · 2022Article
- Out-of-Season Influenza during a COVID-19 Void in the State of Rio de Janeiro, Brazil: Temperature Matters.Vaccines · 2022Article
- The impact of the COVID-19 preventive measures on influenza transmission: molecular and epidemiological evidence.International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases · 2022Article
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8 authors at 1 institution in 1 country.
Funding
Abstract
introductionDuring the 2019 novel coronavirus infectious disease (COVID-19) pandemic in 2020, limited data from several countries suggested reduced seasonal influenza viruses' circulation. This was due to community mitigation measures implemented to control the pandemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). We used sentinel surveillance data to identify changes in the 2020 influenza season compared with previous seasons in Bangladesh.
methodsWe used hospital-based influenza surveillance (HBIS) data of Bangladesh that are generated year-round and are population-representative severe acute respiratory infection (SARI) data for all age groups from seven public and two private tertiary care level hospitals data from 2016 to 2019. We applied the moving epidemic method (MEM) by using R language (v4.0.3), and MEM web applications (v2.14) on influenza-positive rates of SARI cases collected weekly to estimate an average seasonal influenza curve and establish epidemic thresholds.
resultsThe 2016-2019 average season started on epi week 18 (95% CI: 15-25) and lasted 12.5 weeks (95% CI: 12-14 weeks) until week 30.5. The 2020 influenza season started on epi week 36 and ended at epi week 41, lasting for only five weeks. Therefore, influenza epidemic started 18 weeks later, was 7.5 weeks shorter, and was less intense than the average epidemic of the four previous years. The 2020 influenza season started on the same week when COVID-19 control measures were halted, and 13 weeks after the measures were relaxed.
conclusionOur findings suggest that seasonal influenza circulation in Bangladesh was delayed and less intense in 2020 than in previous years. Community mitigation measures may have contributed to this reduction of seasonal influenza transmission. These findings contribute to a limited but growing body of evidence that influenza seasons were altered globally in 2020.
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