At the end of December 2009, after the media exposed several cases of people allegedly dying from adverse reactions to the vaccine, the number of people getting inoculated dropped precipitously. It sparked a debate about whether Adimmune's vaccine was safe.
直到 12 月下旬，幾例疑因疫苗致死案例經媒體披露後，施打人數急轉直下，並引發國產疫苗是否安全的爭議。