Risk factors for SARS infection within hospitals in Hanoi, Vietnam

Ayako Nishiyama, Naomi Wakasugi, Teruo Kirikae, Tran Quy, Le Dang Ha, Vo Van Ban, Hoang Thuy Long, Naoto Keicho, Takehiko Sasazuki, Tadatoshi Kuratsuji

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

We investigated a nosocomial infection of severe acute respiratory syndrome (SARS) in Vietnam in 2003 and attempted to identify risk factors for SARS infection. Of the 146 subjects who came into contact with SARS patients at Hospital A, 43 (29.5%) developed SARS, and an additional 16 (11%) were asymptomatic but SARS-coronavirus (CoV) seropositive. The asymptomatic infection rate accounted for 15.5% of the total number of infected patients at Hospital A, which was higher than that of 6.5% observed at Hospital B, to where all patients from Hospital A were eventually transported (P < 0.05). At Hospital A, the risk for developing SARS was 12.6 times higher in individuals not using a mask than in those using a mask. The SARS epidemic in Vietnam resulted in numerous secondary infections due to its unknown etiology and delayed recognition at the beginning of the epidemic. The consistent and proper use of a mask was shown to be crucial for constant protection against infection with SARS.

Original languageEnglish
Pages (from-to)388-390
Number of pages3
JournalJapanese Journal of Infectious Diseases
Volume61
Issue number5
Publication statusPublished - 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Microbiology (medical)
  • Infectious Diseases

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