【尽量日更 -- 经济学人】How to contain an

ample adj. — If there is an ample amount of something, there is enough of it and usually some extra.
vaccine n. [væksi͟ːn]— A vaccine is a substance containing a harmless form of the germs that cause a particular disease. It is given to people, usually by injection, to prevent them getting that disease.
inoculate v. — To inoculate a person or animal means to inject a weak form of a disease into their body as a way of protecting them against the disease.
jab n. — A jab is an injection of something into your blood to prevent illness. [BRIT, INFORMAL]
administer v. — If a doctor or a nurse administers a drug, they give it to a patient. [FORMAL]

(1)Technology has improved since 2014. (2)Not only is there a quicker diagnostic test, but there are also ample supplies of an effective vaccine. (3)Thousands of doses are being deployed in a “ring” strategy, to inoculate those who have been in contact with known cases of Ebola, as well as their contacts in turn. (4)Jabs are also being offered to front-line health workers—an essential precaution, given the large number of such workers who died last time. (5)It is not yet clear how well ring vaccination will contain the early stages of an outbreak, when chains of transmission are less certain. (6)The vaccine is also hard to administer, since it must be kept as low as -80°C. (7)However, if this one proves unsuitable, another is available that might work.

1. 句(2)是not only置句首的倒装。
2. 句(3) a “ring” strategy（环形战略），是2014年爆发后使用的一种防御Ebola的方法。后面的不定式从句就对ring strategy作解释。
3. 句(5) early stages 初期，早期。
4. 句(6) administer多数表示管理一个国家，测试，法律，但也可以表示“发送药物”。
5. 句(7) 为下文的新药作铺垫。