Impact of COVID-19 Measures on Influenza in China
Author Information
Author(s): He Yuxi, Luo Kaiwei, Ni Han, Kuang Wentao, Fu Liuyi, Yi Shanghui, Lv Yuan, Zha Wenting
Primary Institution: Hunan Normal University
Hypothesis
How have Public Health and Social Measures (PHSMs) affected influenza transmission during and after the COVID-19 pandemic in China?
Conclusion
Public Health and Social Measures effectively reduced influenza transmission during the COVID-19 pandemic, but a significant rebound in cases occurred after these measures were relaxed.
Supporting Evidence
- Before PHSMs, the average influenza incidence was 4.87 per 100,000.
- During PHSMs, incidence dropped to 2.55 per 100,000.
- Post-PHSMs, the incidence surged to 17.00 per 100,000.
- Testing policies and public information campaigns were identified as key measures impacting influenza transmission.
Takeaway
When China put rules in place to stop COVID-19, fewer people got the flu. But when those rules were lifted, a lot more people got the flu again.
Methodology
The study used WHO's FluNet and Oxford's COVID-19 Government Response Tracker to analyze influenza incidence across three periods: pre-COVID-19, during COVID-19, and post-COVID-19.
Potential Biases
Potential under-reporting of influenza cases due to healthcare resource strain during the pandemic.
Limitations
The study did not account for geographical diversity and demographic stratification, which may affect the generalizability of the findings.
Participant Demographics
The study focused on the general population in mainland China.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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