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This year's seasonal flu vaccine is barely able to protect people from the main strain of flu being spread in the UK, health officials say.
Doctors are being urged to use antiviral drugs quickly to protect vulnerable patients.
Evidence shows the vaccine is stopping only three out of every 100 vaccinated people from developing symptoms.
But Public Health England says people should still get vaccinated to protect against other strains of flu.
Flu is a constantly shifting target and that makes it difficult to develop a vaccine. It is why a new jab is needed each year.
http://www.bbc.co.uk/news/health-31145604
Doctors are being urged to use antiviral drugs quickly to protect vulnerable patients.
Evidence shows the vaccine is stopping only three out of every 100 vaccinated people from developing symptoms.
But Public Health England says people should still get vaccinated to protect against other strains of flu.
Flu is a constantly shifting target and that makes it difficult to develop a vaccine. It is why a new jab is needed each year.
http://www.bbc.co.uk/news/health-31145604