Poland swine flu threat remains

Dr Mrukowicz said he had analysed the number of laboratory-confirmed cases and the mortality ratio in Sweden and Norway, where the governments decided to vaccinate the majority of the population, and in Poland, where the government decided against it.

In Sweden and Norway the rise of laboratory-confirmed cases has stopped; in Poland, it is still rising.

"We have to wait until the influenza season is over to make good research and analyse which countries made the right decisions," he said.

"It's way too premature to cheer about whether it was a good decision to reject the vaccines."

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