Scientists have identified three distinct antibodies that can be induced by vaccines and are capable of nullifying multiple strains of the influenza virus. The findings could aid in the creation of a vaccine that offers universal protection from the common virus, according to a new study published in the journal Cell.
For the study, researchers analyzed blood samples from six individuals who had been vaccinated against bird flu. Examination of the samples revealed a type of white blood cell that secretes antibodies when reacting to various strains of influenza. Researchers were able to classify the respective genetic sequences of the three classes of antibodies detected.
This knowledge could lead to the development of a universal flu vaccine effective against multiple subtypes of influenza, which would eliminate the need to update the vaccine each year.
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