ID#: 23208
Caption:
In this 2019 photo, a Centers for Disease Control and Prevention (CDC) scientist examines the results of a hemagglutinin inhibition (HI) test. HI tests can tell us whether antibodies, developed through vaccination, will also recognize circulating flu viruses. Using these data, scientists can decide, which viruses to include in the seasonal flu vaccine.
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Content Provider(s): CDC/ Robert Denty
Creation Date: 2019
Photo Credit: James Gathany
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.