Doctors in Britain are bracing themselves for an outbreak of flu in the next few weeks that could match Australia’s recent epidemic – one of the worst for a decade. However, we do not know how well it will work until this year’s flu epidemic begins.”The flu outbreak that struck Australia and New Zealand was not particularly severe in individual terms. “We are still not sure why so many cases occurred this year in Australia,” added Easton. These strains were selected nine months ago, before the Australian outbreak occurred. “That means that having the vaccine will reduce your risk of getting flu by 40 to 60% compared with those not getting the vaccine.

Source: The Guardian October 28, 2017 19:30 UTC