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Inicio Medicina Clínica (English Edition) Collateral benefits on other respiratory infections during fighting COVID-19
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Vol. 155. Issue 6.
Pages 249-253 (September 2020)
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Vol. 155. Issue 6.
Pages 249-253 (September 2020)
Brief report
Collateral benefits on other respiratory infections during fighting COVID-19
Beneficios colaterales en otras infecciones respiratorias durante la lucha contra la COVID-19
Khee-Siang Chana, Fu-Wen Liangb,c, Hung-Jen Tangd,e, Han Siong Toha,f, Wen-Liang Yua,g,
Corresponding author

Corresponding author.
a Department of Intensive Care Medicine, Chi Mei Medical Center, Tainan, Taiwan
b Department of Public Health, Kaohsiung Medical University, College of Health Sciences, Kaohsiung, Taiwan
c Research Center for Environmental Medicine, Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
d Division of Infectious Diseases, Department of Medicine, Chi Mei Medical Center, Tainan, Taiwan
e Department of Health and Nutrition, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
f Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
g Department of Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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Figures (1)
Tables (2)
Table 1. Collateral benefits on national severe influenza, invasive Streptococcus pneumoniae disease and the death toll from pneumonia while fighting COVID-19 from January 2020 in Taiwan, evidenced by significant slope difference compared to previous influenza seasons (25 weeks, from November to April of the following years).
Table 2. The slope differences between different time periods of each influenza season.
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Influenza virus infection is associated with a high disease burden. COVID-19 caused by SARS-CoV-2 has become a pandemic outbreak since January 2020. Taiwan has effectively contained COVID-19 community transmission. We aimed to validate whether fighting COVID-19 could help to control other respiratory infections in Taiwan.


We collected week-case data of severe influenza, invasive Streptococcus pneumoniae disease and death toll from pneumonia among 25 calendar weeks of the influenza season for four years (2016–2020), which were reported to Taiwan CDC. Trend and slope differences between years were compared.


A downturn trend of severe influenza, invasive S. pneumoniae disease and the death toll from pneumonia per week in 2019/2020 season and significant trend difference in comparison to previous seasons were noted, especially after initiation of several disease prevention measures to fight potential COVID-19 outbreak in Taiwan.


Fighting COVID-19 achieved collateral benefits on significant reductions of severe influenza burden, invasive S. pneumoniae disease activity, and the death toll from pneumonia reported to CDC in Taiwan.

Streptococcus pneumoniae

La COVID-19, causada por SARS-CoV-2, se ha convertido en un brote de pandemia desde enero de 2020. Taiwán ha contenido efectivamente la transmisión comunitaria de la COVID-19. Por otra parte, la influenza también es una enfermedad que se asocia con una alta carga de morbilidades. El objetivo del estudio es validar si combatir la COVID-19 podría ayudar a controlar otras infecciones respiratorias en Taiwán.


Recopilamos datos semanales de casos de influenza grave, infecciones invasivas por Streptococcus pneumoniae y número de muertes por neumonía, que se informaron a los CDC de Taiwán en las 25 semanas de la temporada de influenza durante 4años (2016-2020). Comparamos las diferencias de tendencia y de pendiente entre los años.


Se observó una tendencia a la baja de la influenza grave, de las infecciones invasivas por Streptococcus pneumoniae y del número de muertes por neumonía por semana en la temporada de influenza de 2019-2020. Se observaron diferencias significativas en la tendencia en comparación con las temporadas anteriores, especialmente después del inicio de varias medidas de prevención de enfermedades para combatir el posible brote de COVID-19 en Taiwán.


Por el número de casos reportados a los CDC de Taiwán, encontramos que la lucha contra la COVID-19 logró beneficios colaterales en cuanto a reducción significativa de la carga de la influenza grave, a las infecciones invasivas por Streptococcus pneumoniae y al número de muertes por neumonía.

Palabras clave:
Streptococcus pneumoniae


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