China is experiencing its deadliest outbreak of the H7N9 bird-flu strain since it first appeared in humans in 2013, killing 79 people in January alone and spurring several cities to suspend live poultry trade.
China is experiencing its deadliest outbreak of the H7N9 bird-flu strain since it first appeared in humans in 2013, killing 79 people in January alone and spurring several cities to suspend live poultry trade.