Avian Flu: How bird disease is driving up US egg prices / Tens of thousands of birds culled at poultry farm after suspected bird flu case / Suspected bird flu kills lakhs of poultry birds in AP's Godavari dists / As bird flu ravages poultry industry, the damage spreads / Could bird flu in US livestock, poultry be risk to humans? / Could bird flu in US livestock, poultry pose risk to humans? / Highly pathogenic bird flu found on chicken farm: What you need to know / Health experts raise concern over the disposal of infected poultry birds as avian flu spreads