Pandemic (H1N1) 2009, Shanghai, China
2010

Pandemic (H1N1) 2009 in Shanghai, China

Sample size: 237 publication Evidence: moderate

Author Information

Author(s): Shen Yinzhong, Lu Hongzhou

Primary Institution: Shanghai Public Health Clinical Center, Shanghai, People’s Republic of China

Hypothesis

To understand the clinical and epidemiologic characteristics of pandemic (H1N1) 2009 virus infection.

Conclusion

The outbreak in Shanghai was effectively contained, with most patients experiencing mild symptoms and fully recovering.

Supporting Evidence

  • 237 confirmed cases were identified in Shanghai during the outbreak.
  • Most patients had mild symptoms and fully recovered within 1 week.
  • Early antiviral therapy with oseltamivir was beneficial for patients.

Takeaway

This study looked at people in Shanghai who got sick from a flu called H1N1. Most of them got better quickly and didn't have serious problems.

Methodology

Retrospective review of medical records of patients with laboratory-confirmed cases.

Limitations

The study only included patients from Shanghai and may not represent the entire population.

Participant Demographics

54.4% male, median age 24 years, 82% aged 10-39 years, 64.6% Chinese citizens.

Digital Object Identifier (DOI)

10.3201/eid1606.090991

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