这个是最新官方说法。摘录如下: " L& [! v8 D3 P+ X5 f + U b9 H! z& K* @9 F$ }Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: w$ E8 q8 q' G* q( d0 B* l3 F4 g7 @( p& H5 g# D' _# x3 x
- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. ! D2 w, N( M% q $ T9 y- _* c. u% C' B- 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 }; M- S, e
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- 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 " J4 U6 J4 }- X6 x9 P0 b U7 Ohttp://www.albertahealthservices.ca/901.asp#children' ]. m! C) x$ ^6 D
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Will children need one or two vaccines? ( ]* q1 \; ?/ U4 L; K# D4 `% j( G" M8 w' T2 L" S1 U: ?9 {% j; i9 _' K
The Public Health Agency of Canada (Nov 12, 2009) recommends: 6 y' ~* Q7 T8 J" ^ & \" J8 N& L0 z6 c/ B * 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./ Z2 U5 g: b9 W( R, A, v9 M, R
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. 1 n6 k! P4 X; a' E * 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 ~6 X: R% l
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.