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17/07/2003
Vigilance urged over possible reappearance of Sars virus
Sars could reappear later this year, scientists have warned, as international health protection agencies worldwide debate what measures to take against the return of a virus which has already claimed over 800 lives.
The World Health Organisation (WHO) has stated that the Sars outbreak is officially at an end, but many international experts are warning that public health officials need to remain vigilant in case the virus returns as part of the 'flu season' which starts in autumn.
It is not thought that Sars will return on the scale of an epidemic, but as the source of the virus is still unknown – and without any vaccine – it is thought that the only effective way to stop any future outbreak will be constant surveillance and proactive containment measures at the first sign of any contagion.
The first confirmed case of Sars was reported in the Guangdong province of China in November 2002, spreading to China, Hong Kong and Singapore, as well as isolated outbreaks in Canada and South Africa.
(CL)
The World Health Organisation (WHO) has stated that the Sars outbreak is officially at an end, but many international experts are warning that public health officials need to remain vigilant in case the virus returns as part of the 'flu season' which starts in autumn.
It is not thought that Sars will return on the scale of an epidemic, but as the source of the virus is still unknown – and without any vaccine – it is thought that the only effective way to stop any future outbreak will be constant surveillance and proactive containment measures at the first sign of any contagion.
The first confirmed case of Sars was reported in the Guangdong province of China in November 2002, spreading to China, Hong Kong and Singapore, as well as isolated outbreaks in Canada and South Africa.
(CL)
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