这个是最新官方说法。摘录如下: 7 u: a0 w7 J; h: S3 U ( O% b+ }; ]2 M5 r9 \7 eNot all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: : l; H3 Y2 k' t
) v* S x! @% f0 h% O+ m- 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# N2 c9 x' T3 W* ^+ V
0 }4 V* E, ^& B! h+ L+ R
- 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. . s- \' n% w! b( h : C1 C1 _$ T5 \' [& X0 {- 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 ! l% W( ~1 D0 k. w/ Mhttp://www.albertahealthservices.ca/901.asp#children, }' L, @0 W$ M% ]. x8 F/ w
* Q# q1 k# Z) @3 g: p
Will children need one or two vaccines? $ L. }4 m( E& {; |7 Y7 ~) @ ' I) E7 Z, q, }) A% w! TThe Public Health Agency of Canada (Nov 12, 2009) recommends: 8 A2 J- n6 I$ K- V- H5 b% a( z% Z9 [- K- {- j- I9 a& L j: H
* 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 r/ i2 D5 N v1 M+ Y * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. ' s: Z3 j* |" }' H0 b; V * 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.: V0 {0 I+ W1 B0 V" s
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.