1. National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
2. Nanshan Center for Disease Control and Prevention, Shenzhen, People’s Republic of China
3. Shunyi District Center for Disease Control and Prevention, Beijing, People’s Republic of China
4. Meilianzhonghe Veterinary Hospital Companion Branch, Beijing, People’s Republic of China
5. Meilianzhonghe Veterinary Hospital Jingxi Branch, Beijing, People’s Republic of China