这个是最新官方说法。摘录如下: 5 e8 L$ P8 s" U3 h, s( G- a T( l0 u% z2 {! o8 bNot all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: {- y0 v F+ F - O/ N/ F5 d" i0 U0 S' t- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. 5 H. n$ y/ F' W3 z
" Y3 r/ l$ e; K; h; [- 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. ) b8 H& H5 a0 Y I9 m
3 y1 |. Q4 G* L- W
- 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 6 d" G5 w$ v H; o" M1 H5 w http://www.albertahealthservices.ca/901.asp#children " g2 k; c- e) s- Z; c ~1 P4 i& [( I& a3 \1 \9 N) s1 D- |
Will children need one or two vaccines?1 @, ^" a, }* _4 ?& @" }5 R* P
+ X$ U1 A: p) C8 t' `1 A* uThe Public Health Agency of Canada (Nov 12, 2009) recommends: + I' [0 Z: j+ f8 C. q2 K . p5 L- y2 K! P6 t; k * 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. 2 B% w8 \' s, U, N) a! _ * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. " O' B! }3 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.1 ^( y7 y. R9 V, i' u' d- R
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.