1. H5N1’s tipping point: Scientists identify when containment fails
Sahana Ghosh/Nature Scientists have identified the precise point at which stopping an H5N1 pandemic becomes impossible. When the bird flu virus jumps to sustained human transmission, authorities will have roughly two days to prevent catastrophe, according to a simulation study1. The model, based on the interactions of nearly 10,000 people in a poultry-farming district in […]