这个是最新官方说法。摘录如下:3 a/ K$ H; s9 n$ J! L
; f8 G% G/ M1 L! i+ ?
Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: # A8 e" `! C' P! @6 Q7 r3 ?: L& N4 \/ q0 Y8 a2 ` 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. 9 c9 s; Q. y Z& U& h! G + O* o% `# d( Y4 K- 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. 6 U1 @ s6 r! i% X ! j" P) \" g% E2 g1 M$ Z- 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 ' T: [/ p. O; e; s8 I& ?+ l; A. [- y http://www.albertahealthservices.ca/901.asp#children : [6 K: ?" h/ C: r2 c2 C 7 B: F8 J3 l, d0 ~7 E7 Y, v- Y: _# oWill children need one or two vaccines? 0 Q9 I$ H. r' f' M; S ) ?$ R: S8 j# t( QThe Public Health Agency of Canada (Nov 12, 2009) recommends:" w5 d# W- S6 N% o, |" a
7 O1 m" N% S3 g0 J V; G% 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.! h0 q l5 c9 _) K0 P6 u
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.3 p0 B& k9 S7 P9 k& ?4 \4 I
* 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." H( @) b2 [$ r$ G: u. ]
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.