When bird flu hit most Asian countries, it prompted the World Health Organization (WHO) to urge China to test its wild birds, particularly geese that migrate from its waters during the harsh winter. The disease spread so fast from one bird to another that about 5,000 birds were killed in one season. People who have close or direct contact to infected poultry can contract the disease after coming in contact with bird secretions or feces.
Although many are divided on the possibility of direct human to human transmission of the virus, this possibility has not been ruled out. Viruses, in general, are known to mutate. In the case of bird flu, family members infected with it may show different severity of symptoms, prompting a misdiagnosis. Also, if a person who has the common flu becomes infected with bird flu at the same time, it can lead to the mutation of the bird flu virus.
At the University of Leicester in Great Britain, it was discovered that a full-blown bird flu pandemic could cause an 80% mortality rate. A team led by Karl Nicholson is developing the bird flu vaccine with the goal of decreasing the fatality should a fourth major pandemic occur. In the last...