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Public health response to swine flu "alarmist"

Public health response to swine flu "alarmist"

The public health measures taken in response to swine flu may be seen as alarmist, overly restrictive, or even unjustified, says a US expert in a paper published on bmj.com today.

Peter Doshi, a doctoral student at the Massachusetts Institute of Technology, argues that our plans for pandemics need to take into account more than the worst case scenarios, and calls for a new framework for thinking about epidemic disease.

Over the past four years, pandemic preparations have focused on responding to worst case scenarios. As a result, we responded to the H1N1 outbreak as an unfolding disaster. Some countries erected port of entry quarantines. Others advised against non-essential travel to affected areas and some closed schools and businesses.

Actions in response to the early H1N1 outbreak were taken in an environment of high public attention and low scientific certainty, he argues. The sudden emphasis on laboratory testing for H1N1 in the first weeks of the outbreak helped to amplify the perceived risk.

He also points out that, since the emergence of A/H1N1, the World Health Organisation has revised its definition of pandemic flu.

If the 2009 influenza pandemic turns severe, early and enhanced surveillance may prove to have bought critical time to prepare a vaccine that could reduce morbidity and mortality, says Doshi. But if this pandemic does not increase in severity, it may signal the need to reassess both the risk assessment and risk management strategies towards emerging infectious diseases.

Public health responses not calibrated to the threat may be perceived as alarmist, eroding the public trust and resulting in the public ignoring important warnings when serious epidemics do occur, he warns.

The success of public health strategies today depends as much on technical expertise as it does on media relations and communications. Strategies that anticipate only type 1 epidemics carry the risk of doing more harm than they prevent when epidemiologically limited or clinically mild epidemics or pandemics occur, he concludes.

BMJ

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