Antibodies developed in patients who had the H1N1 pandemic flu strain that protect against a variety of flu strains.
The swine flu outbreak that swept across the globe claiming over 14,000 lives could provide scientists with a vital clue to creating a universal vaccine, a study claims. Researchers have found several patients infected with the 2009 H1N1 pandemic flu strain have developed antibodies that are protective against a variety of flu strains.