The first child case of avian influenza (H5N1) was detected in California this week, according to the CDC, which is conducting an investigation into the case, including contact and exposure tracing

The Centers for Disease Control and Prevention (CDC) confirmed the first reported case of avian influenza A(H5N1) in a child in the United States. The child, who resides in California, experienced mild symptoms and received antiviral treatment,

Investigation into the child's exposure to H5N1 is still under way, the CDC said. In other H5N1 developments, the Hawaii State Department of Health yesterday said tests in people who had contact with an infected flocks are all negative, even in those who had high-risk exposure.