A government veterinarian worker sprays anti-bird flu disinfectant over birds and fowls at Medan city market in North Sumatra province. Indonesia reported its second human death from bird flu this year in late January.
Last month, scientists around the world agreed to temporarily halt certain genetic experiments with bird flu viruses. More than three weeks of that 60-day moratorium have already passed. And the scientific community is in the midst of a fierce debate about what needs to happen next.