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Assessing the risk of observing multiple generations of Middle East respiratory syndrome (MERS) cases given an

H Nishiura1, Y Miyamatsu, G Chowell

  • 1Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.

Euro Surveillance : Bulletin Europeen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin
|July 28, 2015
PubMed

Insights

Middle East respiratory syndrome (MERS) importation risk was analyzed. Secondary MERS transmission events were estimated at 22.7%, with subsequent generations decreasing in risk, highlighting the need for preparedness.

Area of Science:

  • Epidemiology
  • Infectious disease modeling

Background:

  • Middle East respiratory syndrome (MERS) poses a significant public health threat.
  • Understanding transmission dynamics is crucial for effective risk assessment and control.

Purpose of the Study:

  • To estimate the risk of secondary transmission events following MERS importation.
  • To quantify the probability of observing subsequent generations of MERS cases.

Main Methods:

  • Analysis of 36 historical MERS importation events.
  • Statistical modeling to estimate transmission probabilities and generation risks.

Main Results:

  • The risk of secondary MERS transmission events was estimated at 22.7% (95% CI: 19.3–25.1).
  • Estimated risks for observing generations 2, 3, and 4 were 10.5%, 6.1%, and 3.9%, respectively.
  • Significant variability in transmission outcomes was observed.

Conclusions:

  • Countries should prepare for unpredictable MERS transmission scenarios after importation.
  • These findings inform public health preparedness and response strategies for MERS outbreaks.

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