Could I have a statement, please? <a href=" http://weimar.org/do-my-assignement-for-me/ ">custom article writing</a> Guan's team sampled wild birds and poultry markets around Shanghai in April, weeks after the H7N9 outbreak began there. The researchers collected throat and intestinal swabs from 1,341 birds, including chickens, ducks, geese, pigeons, partridges and quails, plus 1,006 water and faecal samples from bird markets. About 10% of samples tested positive for an influenza virus; of those, 15% were an H7 virus.
