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Trends in Influenza Infections in Three States of India from 2015-2021: Has There Been a Change during COVID-19 Pandemic?
Jayaram, Anup; Jagadesh, Anitha; Kumar, Ajay M V; Davtyan, Hayk; Thekkur, Pruthu; Vilas, Victor J Del Rio; Mandal, Shrawan Kumar; Sudandiradas, Robin; Babu, Naren; Varamballi, Prasad; Shetty, Ujwal; Mukhopadhyay, Chiranjay.
  • Jayaram A; Manipal Institute of Virology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
  • Jagadesh A; Manipal Institute of Virology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
  • Kumar AMV; International Union against Tuberculosis and Lung Disease, 2 Rue Jean Lantier, 75001 Paris, France.
  • Davtyan H; International Union against Tuberculosis and Lung Disease, South-East Asia Office, C-6 Qutub Institutional Area, New Delhi 110016, India.
  • Thekkur P; Yenapoya Medical College, Yenapoya (Deemed to be University), University Road, Deralakatte, Manguluru 575018, India.
  • Vilas VJDR; Tuberculosis Research and Prevention Centre NGO, Yerevan 0014, Armenia.
  • Mandal SK; International Union against Tuberculosis and Lung Disease, 2 Rue Jean Lantier, 75001 Paris, France.
  • Sudandiradas R; World Health Organization, World Health Emergencies, Southeast Asia Regional Office, New Delhi 110011, India.
  • Babu N; Sukaraj Tropical and Infectious Disease Hospital, Teku, Kathmandu 44600, Nepal.
  • Varamballi P; Manipal Institute of Virology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
  • Shetty U; Manipal Institute of Virology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
  • Mukhopadhyay C; Manipal Institute of Virology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
Trop Med Infect Dis ; 7(6)2022 Jun 19.
Article in English | MEDLINE | ID: covidwho-1903453
ABSTRACT
The COVID-19 pandemic and public health response to the pandemic has caused huge setbacks in the management of other infectious diseases. In the present study, we aimed to (i) assess the trends in numbers of samples from patients with influenza-like illness and severe acute respiratory syndrome tested for influenza and the number and proportion of cases detected from 2015-2021 and (ii) examine if there were changes during the COVID-19 period (2020-2021) compared to the pre-COVID-19 period (2015-2019) in three states of India. The median (IQR) number of samples tested per month during the pre-COVID-19 period was 653 (395-1245), compared to 27 (11-98) during the COVID-19 period (p value < 0.001). The median (IQR) number of influenza cases detected per month during the pre-COVID-19 period was 190 (113-372), compared to 29 (27-30) during the COVID-19 period (p value < 0.001). Interrupted time series analysis (adjusting for seasonality and testing charges) confirmed a significant reduction in the total number of samples tested and influenza cases detected during the COVID-19 period. However, there was no change in the influenza positivity rate between pre-COVID-19 (29%) and COVID-19 (30%) period. These findings suggest that COVID-19-related disruptions, poor health-seeking behavior, and overburdened health systems might have led to a reduction in reported influenza cases rather than a true reduction in disease transmission.
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Full text: Available Collection: International databases Database: MEDLINE Type of study: Experimental Studies Language: English Year: 2022 Document Type: Article Affiliation country: Tropicalmed7060110

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Experimental Studies Language: English Year: 2022 Document Type: Article Affiliation country: Tropicalmed7060110