Health authorities worry that travel and food preparations for the Lunar New Year will cause cases of H7N9 to grow

Officials from the World Health Organization warn that the new H7N9 strain of the bird flu virus that has emerged over the last month in China is one of the deadliest flu viruses so far, due to its ability to jump more easily from birds to humans than the last strain, H5N1, that wreaked havoc in 2003.

Since this new H7N9…