这个是最新官方说法。摘录如下: * I7 k$ X, a$ `9 p$ i2 r7 O* ?% D# S4 w- R8 t3 {
Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: 8 R0 _" V0 t: J5 O# Z
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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. / V/ v1 [+ D6 I- E4 @7 [& r. C% r/ q$ s2 [! k
- 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. _' E0 v1 @7 M
4 L2 z; q# Q4 k' N' |6 i- 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 4 s( s/ c g! j2 u( Shttp://www.albertahealthservices.ca/901.asp#children # a8 a, T& U' |/ ^2 H$ \8 z* m; I: j6 Q# y/ r
Will children need one or two vaccines?% C* O4 n9 c3 Z6 g, E# T5 ~' |
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The Public Health Agency of Canada (Nov 12, 2009) recommends: : J# C+ X) m) G6 I" P4 @% p& G$ p9 n8 V& u2 U- Y. c+ ^
* 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. - S) N+ q9 N5 j& o * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. 1 S5 S% j- I7 f4 x& | * 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. ; x. K: \# X, k0 S% z# o% M * All children aged 10 years and older should receive one full dose adjuvanted vaccine.