Scientists seek to make universal flu vaccine

The World Health Organization says about 500,000 people die every year from seasonal flu. To combat that, doctors recommend getting a flu vaccine at the beginning of each flu season, and researchers are now working on a universal vaccine that could protect people from all strains of the flu. What’s more, they say the vaccine could work for several years.

Researchers working on the universal flu vaccine say that yearly flu shots will become a thing of the past if a new vaccine proves successful.

Flu viruses can mutate faster than vaccines can be made using current technology. But researchers say if this universal vaccine is successful in human trials, it will provide protection from all strains of the influenza virus.

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