Viral Etiologies of Influenza-like Illness and Severe Acute Respiratory Infections in Thailand

Overview

Journal Influenza Other Respir Viruses

Publisher Wiley

Specialty Microbiology

Date 2018 Mar 9

PMID 29518269

Citations 19

Authors

Malinee Chittaganpitch

Sunthareeya Waicharoen

Thitipong Yingyong

Prabda Praphasiri

Somchai Sangkitporn

Sonja J Olsen

Kim A Lindblade

Affiliations

Soon will be listed here.

Abstract

Background: Information on the burden, characteristics and seasonality of non-influenza respiratory viruses is limited in tropical countries.

Objectives: Describe the epidemiology of selected non-influenza respiratory viruses in Thailand between June 2010 and May 2014 using a sentinel surveillance platform established for influenza.

Methods: Patients with influenza-like illness (ILI; history of fever or documented temperature ≥38°C, cough, not requiring hospitalization) or severe acute respiratory infection (SARI; history of fever or documented temperature ≥38°C, cough, onset <10 days, requiring hospitalization) were enrolled from 10 sites. Throat swabs were tested for influenza viruses, respiratory syncytial virus (RSV), metapneumovirus (MPV), parainfluenza viruses (PIV) 1-3, and adenoviruses by polymerase chain reaction (PCR) or real-time reverse transcriptase-PCR.

Results: We screened 15 369 persons with acute respiratory infections and enrolled 8106 cases of ILI (5069 cases <15 years old) and 1754 cases of SARI (1404 cases <15 years old). Among ILI cases <15 years old, influenza viruses (1173, 23%), RSV (447, 9%), and adenoviruses (430, 8%) were the most frequently identified respiratory viruses tested, while for SARI cases <15 years old, RSV (196, 14%) influenza (157, 11%) and adenoviruses (90, 6%) were the most common. The RSV season significantly overlapped the larger influenza season from July to November in Thailand.

Conclusions: The global expansion of influenza sentinel surveillance provides an opportunity to gather information on the characteristics of cases positive for non-influenza respiratory viruses, particularly seasonality, although adjustments to case definitions may be required.

Citing Articles

Epidemiologic and Virologic Characteristics of Influenza in Lao PDR, 2016-2023.

Wodniak N, Vilivong K, Khamphaphongphane B, Sengkeopraseuth B, Somoulay V, Chiew M Influenza Other Respir Viruses. 2024; 18(8):e13353.

PMID: 39104091 PMC: 11300510. DOI: 10.1111/irv.13353.

Influenza virus circulation and vaccine effectiveness during June 2021-May 2023 in Thailand.

Prasert K, Praphasiri P, Nakphook S, Ditsungnoen D, Sapchookul P, Sornwong K Vaccine X. 2024; 19:100517.

PMID: 39044732 PMC: 11263786. DOI: 10.1016/j.jvacx.2024.100517.

Comparison of the influenza vaccination coverage among high-risk people between the online registration system and walk-in service system in Bangkok, Thailand.

Sairuk R, Nishino K, Inthaphatha S, Hamajima N, Yamamoto E Nagoya J Med Sci. 2024; 86(2):252-261.

PMID: 38962419 PMC: 11219236. DOI: 10.18999/nagjms.86.2.252.

Seasonal distribution and upsurge of respiratory viruses among indigenous tribes with ILI and SARI in a far-flung Car Nicobar Island.

Muruganandam N, Vipat V, Jadhav S, Vins A, Beniwal N, Kaur H BMC Infect Dis. 2024; 24(1):651.

PMID: 38943048 PMC: 11212252. DOI: 10.1186/s12879-024-09536-1.

Respiratory syncytial virus among hospitalized patients of severe acute respiratory infection in Bhutan: Cross-sectional study.

Dorji K, Yuden P, Ghishing T, Ghimeray G, Klungthong C, Wangchuk S Influenza Other Respir Viruses. 2024; 18(1):e13242.

PMID: 38239563 PMC: 10794158. DOI: 10.1111/irv.13242.

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