资料来源：
- //www.consumer.ftc.gov/articles/how-recognize-and-avoid-phishing-scams
- //www.cdc.gov/coronavirus/2019-ncov/index.html
- //www.who.int/emergencies/diseases/novel-coronavirus-2019
- //www.consumer.ftc.gov/features/how-donate-wisely-and-avoid-charity-scams