Current evidence points to some important differences between patterns of illness reported during the pandemic and those seen during seasonal epidemics of influenza.
现有证据说明流感大流行期间报告的疾病模式与季节性流感流行期间见到的模式有一些重要的差异。
2
Since currentseasonal influenza vaccines do not contain the pandemic virus, people should be vaccinated against both pandemic influenza and seasonal influenza.
由于当前的季节性流感疫苗不包含大流行性流感病毒,人们应针对大流行性流感和季节性流感两者接种疫苗。
3
Although scientists are still studying the swine-flu strain responsible for the current outbreak, experts doubt that existing seasonal vaccines can effectively combat it.