News in Brief Life Flu antibodies can make disease worse Pigs vaccinated against one influenza virus got lung damage if infected with another strain By Tina Hesman Saey August 28, 2013 at 1:57 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print 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.