A new influenza vaccine, administered painlessly in a nasal spray, is effective for children.

一种新的流感疫苗以无痛的鼻喷剂接种，对儿童有效。

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In the meantime, the vaccine-both the killed version that is injected and the attenuated live version that is given as a nasal spray-is being rationed to those reckoned most in need.

同时，灭活疫苗(注射接种)和减毒活疫苗(使用鼻用喷雾接种)将先提供给那些最需要疫苗的人群。

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The Centers for Disease Control and Prevention recommends all pregnant women get the flu shot (the nasal spray vaccine is not recommended for pregnant women) to protect them from the virus.

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The nasal spray flu vaccine, which is an option for people ages 2 to 49 years without certain conditions such as asthma, diabetes or a suppressed immune system, contains more egg protein than the injections and should not be given to anyone with an egg allergy.

CNN: Is there an eggless flu shot?

Forty million doses of nasal spray and injectable vaccine should be available by the middle of October, with another 10 million to 20 million to become available every week after that.

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