A new influenzavaccine, 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 a clinical trial, immunization with the licensed influenzavaccine containing squalene did not affect the frequency or titre of anti-squalene antibodies.
There are other qualified vaccine manufacturers who are preparing to make influenza a (H1N1) vaccine, but do not yet have a licensed seasonal influenzavaccine.