Table 1 Search strategy (Web of Science Core Correlation), conducted in January 2017

1.

“avian influenza AND case”.mp

2.

“avian influenza virus AND case”.mp

3.

“avian flu AND case”.mp

4.

1 or 2 or 3

5.

“avian influenza AND outbreak”.mp

6.

“avian influenza virus AND outbreak”.mp

7.

“avian flu AND outbreak”.mp

8.

5 or 6 or 7

9.

limit 1 or 2 or 3 or 5 or 6 or 7 to publication years =“2010-2016”

10.

limit to document types=“articles” and “reviews”