3581
Nine new variants ( Gd Kaiping , Gd Boluo , Gd Huiyang , Gd Gaomin , Gd Qing - Baijiang , Gd Gaozhou , Gd Huazhou , Gd Nanhai , and Gd Guangzhou ) were identified .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 None