这个是最新官方说法。摘录如下:% R% ~0 P* e- c. ~! L
7 v% M# V7 M9 \+ A' {, t
Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: 6 s9 u0 V0 _2 K9 G5 e % l* N5 |' B$ k2 Y- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. 4 i& t( o; Y% ?$ \) L
5 p7 R$ ?: p' e6 f& U8 C- 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. 0 ~ U7 G% r; s8 [
1 X! a7 F+ k* H& 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.
5 P9 E, |# H% G& t9 B. ~+ nWill children need one or two vaccines? . V5 \* t. E3 ?/ w % m& I+ w, B2 [8 GThe Public Health Agency of Canada (Nov 12, 2009) recommends: 9 u9 h5 @2 Q* U& v9 ~6 j: F 6 H Y$ S. G; H# z1 n& _ * 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. 8 A7 ]7 k; u9 H8 x, q; Y6 j1 Y3 ~6 z% ? * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. ) Y! k+ \1 b5 j * 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 w) o( d' `+ F% k * All children aged 10 years and older should receive one full dose adjuvanted vaccine.
, `5 A) s Y g, D) r$ e; y9 I # I# B7 ~( T0 N t; j3 x简言之: 6 {- D8 l5 w* C+ c3 M. h! { 健康儿童 有慢性病的儿童- i: B u$ O3 M- `) @4 \& d
- z# W* s) y H(剂量为成人剂量的一半), R6 b$ W7 F- D v. x
6月---3岁 两针(第二针至少21天后打) 6月---3岁 两针(第二针至少21天后打) " z6 {3 D! s' m
3岁---10岁 一针 3岁---10岁 两针(第二针至少21天后打), a0 b1 |6 n- H) X: c
! i* q* D( X) M. H, \+ X
2 Y q' F w8 d! i' s/ L! v( k9 A1 @
> = 10岁 一针(即剂量和打针次数和成人完全相同)