People who have a moderate-to-severe illness with a fever (they should wait until they recover to get vaccinated).

身患中度至重度的发热疾病(应该痊愈后进行接种)。

Instead of beseeching us all to get vaccinated, they're now urging most healthy people between the ages of 2 and 64 not to.

一夜之间，美国的疫苗供应量减少了一半---而联邦卫生官员也发现他们正在提出一项不同寻常的请求：不是请求我们去注射疫苗，而是敦促那些年龄在2-64岁之间的绝大多数健康人不要注射疫苗。

the unwillingness of a significant portion of the American population to get vaccinated for the H1N1 flu, based on paranoid rumors and media reports, is downright scary.

很大一部分美国人因为偏执的谣言和媒体的报道，不愿意接种H1N1禽流感疫苗，这简直是在制造恐慌。

To keep away from COVID-19, we'd better get vaccinated.

为了远离新冠肺炎，我们最好接种疫苗。

Next they plan to examine the immune response of people who were vaccinated against last year's swine flu but did not get sick to see if they too have the same super immunity to flu.

接下来，研究人员计划观察那些去年接种过甲流疫苗而未出现不良反应的人的免疫响应，以确认他们是否也同样产生了能对抗所有流感的超级免疫力。

Uninfected ticks that bite the vaccinated animal can still get infected and spread the parasite to other animals.

未受感染的蜱虫叮咬接种过的动物后仍然会被感染，继而传播寄生虫到其它动物。