Bird Flu : 1st Human to Human cases reported
There is now growing concern over several cases of the H5N1 flu in Indonesia (Sumatra)in which it appears that the virus may have adapted to human to human transmission (reported in Bloomberg.com ) . " In one case, a 10-year- old boy who caught the virus from his aunt may have passed it to his father, the first time officials have seen evidence of a three-person chain of infection, an agency spokeswoman said. Six of the seven people have died." At this point no one knows if any mutations have occured. "So far, studies of the Sumatran outbreak and genetic analyses of the virus don't indicate the virus has undergone major changes, Cheng said. Scientists at WHO-affiliated labs in the U.S. and Hong Kong found no evidence that the Indonesian strain of H5N1 has gained genes from pigs or humans that might change its power or spreadi ng ability, WHO said." "Almost all of the 218 cases of H5N1 infections confirmed by the WHO since late 2003 can be traced to direct ...