This means out of every 100 birds in wet markets, one is positive and infected with the virus. They look healthy but they can infect others and they can kill people.
For such eggs, if they are kept in cold, dry storage for half to one month, they may still be used, because that would kill the virus. Or you wash the egg.
The studies published today reinforce the shortcomings of our efforts to control influenza.
We really have no idea what is going on now in southern China.
It has no disease control system. This virus can infect not only birds, but other animals too,