这个是最新官方说法。摘录如下: 3 p D" [ `$ P/ \9 u6 [. b( Z/ J6 q+ m
Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: # J+ ^2 T% F9 s/ N$ q- f" P
+ k ]' N5 L$ B: O9 z0 v. a- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. * i- `* B% c# t; m* s/ N 2 D, k9 k* O& z" |' c. z- 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. 4 f6 O7 w0 a' l. ~9 S, _
. e5 \0 |+ y+ p- ~4 P3 C- 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 7 g& [5 F# E/ M% A6 n8 Ohttp://www.albertahealthservices.ca/901.asp#children / U, y* ?4 j# k( Z" d/ P( U( W* ~/ E( D* }. ]8 `
Will children need one or two vaccines?0 _: E) w# ]: A( f# k2 G* N
! F% h" v! q7 b* F) f7 DThe Public Health Agency of Canada (Nov 12, 2009) recommends: 9 G: h7 q" w/ a. s$ }- R! @5 j , W5 I+ C, c/ \) v |' \ * 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. ) Q! w+ {) e4 C I * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.' N% k2 l' e7 E" i9 e' s; e* m
* 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.6 g( F; K0 G q& | K4 B
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.