CNN CNN Newsroom August 25, 2013 18:48:00
Breathing each other. that's how they transmit illness nape also feed on the same food at the same time, says whitaker. at the aquarium whitaker and i do a quick exam on beau, a young male. >> feel his teeth, there brian. nice, nice sharp teeth. look under the tongue. make sure there's something -- some of the viruss cause lesions under the tongue. >> reporter: we checked the stomach area, the blowhole. >> all right. now, look at that. we've got mucous and basically spit on the side. we take it to our laboratory, do special stains and we look at the cells which tells us an awful lot about what...
Source: archive.org