相关性的强度应该达到一定联系强度水平(从流行病学的角度来看)，并且副反应与疫苗存在剂量-反应关系。
The association should be strong in the magnitude of the association (in an epidemiological sense), and in the dose-response relationship of the vaccine with the adverse effect.
很显然，并非所有上述标准都必须满足，在确定副反应与疫苗之间的因果关系时，每一个标准的权重也不同。
Clearly, not all these criteria need to be present, and neither does each carry equal weight for a causal relationship between an adverse event and the vaccine to be determined.
她是在接种了HPV疫苗(预防宫颈癌的疫苗)之后不久死亡的。有人猜测，娜塔莉·莫顿是死于疫苗注射的严重副反应。
She died shortly after receiving the HPV vaccine against cervical cancer, and there was speculation that she had suffered a severe reaction to the jab.
副反应与疫苗所要预防的感染极为相似，且疫苗接种和副反应之间存在非随机的时间相关性。
A strong similarity of the adverse event to the infection the vaccine is intended to prevent, and there is a non-random temporal relationship between administration and the adverse incident.
卫生部门称已经陆续获得针对这种新型疫苗的临床试验数据，到目前为止，还没有报告存在严重的副反应。
Health officials also said more data is trickling in from several clinical trials of the new vaccine, and so far no serious side effects have been reported.
卫生部门称已经陆续获得针对这种新型疫苗的临床试验数据，到目前为止，还没有报告存在严重的副反应。
Health officials also said more data is trickling in from several clinical trials of the new vaccine, and so far no serious side effects have been reported.
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