Will extra flu shots be needed?

TWO influenza vaccinations a year might be needed for optimum protection due to changes in circulation patterns of the virus, experts say.

Flu specialists warn it’s already advisable for Australians who have had a seasonal flu vaccination to have a second dose if travelling into a northern hemisphere winter.

At an Influenza Specialist Group (ISG) briefing last week, the chair, virologist Dr Alan Hampson (Hon MD), said relatively high levels of influenza virus had been circulating for three out of the past four summers.

“Something is changing in the epidemiology of influenza in Australia,

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