目前没有被广泛认可的疟疾疫苗。
抗疟疾疫苗现在正处于试验阶段。
这种疫苗是用非常规的技术生产出来的。
The vaccine had been produced by an unconventional technique.
由于流感爆发已大肆流行，疫苗供应开始消耗殆尽。
Vaccine supplies started to run dry as the flu outbreak reached epidemic proportions.
麦卡西被要求分析从这种疫苗试验的第一阶段取得的数据。
McCarthy was asked to analyse the data from the first phase of trials of the vaccine.
然而，展望未来时，我们首先问他一种预防传染的疫苗前景如何。
Looking to the future, though, we asked him what the prospects are for a vaccine to prevent infection in the first place.
这些实验中所用的猴子事先都已接种了由死亡的被感染细胞制成的疫苗。
The monkeys used in those experiments had previously been immunized with a vaccine made from killed infected cells.
一种能终结这种苦楚的疫苗代表了该国在医疗保健方面的一次巨大进步。
A vaccine which can halt this suffering represents a quantum leap in healthcare in this country.
当他在自己身上试验还处于初级阶段的疫苗时，有些人说他的行为是莽撞的。
When he tested an early vaccine on himself, some described the act as foolhardy.
1960年，一些脊髓灰质炎疫苗被病毒污染。
尽管如此，专家预测疫苗的使用将在未来几年内显著增加。
Nevertheless, experts predict that use of the vaccine will increase significantly within the next few years.
犬类必须接种疫苗以防犬热病。
接种疫苗和其他预防措施可以实施。
Vaccination and other prophylactic measures can be carried out.
他的狗都注射过狂犬疫苗。
我接种了破伤风疫苗。
大约93%的美国居民对麻疹是免疫的，他们要么因为接种过疫苗，要么就是小时候得过麻疹。
About 93 percent of U.S. residents are immune to measles either because they were vaccinated or they had the disease as a child.
为了测试疫苗，顾亲自接种了疫苗，后来他一个月大的儿子也接种了疫苗。
To test the vaccine, Gu tried the vaccine in person and later his one-month-old son was vaccinated.
减毒活疫苗不同。
你接种疫苗了吗？
是的，我上周接种了疫苗。
疫苗已经研制出来了。
接种疫苗能使我们防备病毒。
以灭活疫苗为例。
有17个州允许家长免接种疫苗。
我们城市许多人都接种了疫苗。
这就是我们需要多次接种疫苗的原因。
为了远离新冠肺炎，我们最好接种疫苗。
第二阶段仍然是测试疫苗的安全性，但主要是检测疫苗是否有效。如果第二阶段进展顺利，疫苗研发就可以开始第三阶段。
Phase 2 still tests the vaccine's safety, but it's mainly a test to see if the vaccine seems to work. If Phase 2 goes well, the vaccine can begin Phase 3.
疫苗接种是阻止新冠病毒传播的有效方式。
Vaccination is an effective way to stop COVID-19 from spreading.
我想知道李华是否会去医院接种新冠疫苗。
I wonder if Li Hua will go to the hospital to receive COVID-19 vaccinations.
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