Flu antibodies can make disease worse

Pigs vaccinated against one influenza virus got lung damage if infected with another strain

By Tina Hesman Saey, 16:30 PM August 27, 2013

Some antibodies to flu viruses may actually make patients sicker, a new study of pigs suggests.

The finding, published August 28 in Science Translational Medicine, may point to problems with catchall influenza vaccines.

Pigs vaccinated against a seasonal strain of influenza made antibodies to that strain. Some of the antibodies could also latch on to a different flu virus that caused a pandemic among humans in 2009, report scientists led by Hana Golding of the Food and Drug Administration’s Cen...

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