这个是最新官方说法。摘录如下:: l; N8 \, O. T$ b; G2 [
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Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: ) S) V7 D; `5 m6 K
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- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. " w' b) T/ @7 e3 `% K; \, W$ e5 R; g0 K: `& H1 @' ]; R# s& ^+ T
- Children between three years and nine years old with chronic health conditions should get their first half-dose as quickly as possible. They should get a second half-dose at least 21 days later. 3 ~. p- k6 q1 e( F- G: K
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- Healthy kids between three years and nine years old should only receive a half-dose of H1N1 vaccine. They don't need to come back for a second shot.
alberta health 的说法 ! L. z7 A9 _# v4 n/ F0 n2 R; h http://www.albertahealthservices.ca/901.asp#children9 J8 x4 W. o: v* c' b
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Will children need one or two vaccines?; a$ b. L1 H2 F0 V; h
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The Public Health Agency of Canada (Nov 12, 2009) recommends:% P8 e& d$ v" K+ W9 K
) o8 c8 U" m9 O3 v: b) B * Children from six months up to and less than three years old receive two half-doses of the H1N1 adjuvanted vaccine. There should be a minimum of 21 days between the two half doses.* y9 n* |3 `4 q1 f4 D
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.0 S# v1 [8 H& U- M+ P9 I
* Children aged three to under 10 years with chronic medical conditions should receive two half doses of adjuvanted H1N1 vaccine. There should be a minimum of 21 days between the two half doses. 3 l/ i) S2 E' u. N" x * All children aged 10 years and older should receive one full dose adjuvanted vaccine.