English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

1 answers

In some countries, mass vaccination of farmed birds has been carried out. There are also culls of farmed birds whenever there is an outbreak. However this does nothing to stop the spread in wild birds. Nothing can.

2007-03-11 23:45:37 · answer #1 · answered by Bacteria Boy 4 · 0 0

fedest.com, questions and answers