Investigators caution that in the Thai case, they found no evidence that the disease spread beyond the immediate family. But they fear it demonstrates that avian flu might be developing the ability to spread through human contact.
Immunizing the masses
In the UM trial, participants will be required to keep journals to record any side effects from the vaccine. Participants will be paid up to $530, and their health will be monitored for seven months, Campbell said. Future H5N1 clinical trials at the medical schools will examine its effects on children and the elderly.