Sent_en: 2zh Fukuda said the vaccine currently in use in some 20 countries around the world remains effective and safe, and that no rare or dangerous side effects have been reported.
Sent_yy: 福田敬二说，目前在世界上大约20个国家使用的疫苗仍然有效和安全，而且没有报导有罕见或危险的副作用。