这个是最新官方说法。摘录如下: : P; Q) k* Q4 p$ {- B$ l# ~4 X, u4 }' a) L _8 W. Z3 d/ N
Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: 9 H& ^+ I- [# v. w ; `) x/ ]. s# ]$ q# e. V- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. % k' G+ D' B7 X( i' s- M! H ~2 |. V( i' H8 I. t7 F# O
- 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. . h- M( R8 |& L4 [% p 0 ^7 p8 h" T; K a: H4 h- 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 & a3 y& J6 a- N6 ?- H# }5 b http://www.albertahealthservices.ca/901.asp#children- z6 b& \, P5 H. B' n& i f
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Will children need one or two vaccines? 2 Q7 f1 {" p" J( G+ u Y& h2 G/ q2 ^6 cThe Public Health Agency of Canada (Nov 12, 2009) recommends:# v" `8 {: ?* |
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* 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. 7 t& D* s$ i2 h% N% M v * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.& f2 a3 Z: W% P7 {$ A9 ?
* 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. & `5 r* S3 o+ ~$ q% R8 w * All children aged 10 years and older should receive one full dose adjuvanted vaccine.