这个是最新官方说法。摘录如下:, J& [5 {% R* E: [" ^) t0 ]
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Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: . m) t, B$ I1 A# T3 m6 e% C6 g2 P1 [) `1 R4 x3 @2 a) Z7 Z4 ~/ e
- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. 1 w! ~+ o; s; Q6 f* E- Z+ u
' j% X4 A) I; v0 o$ G2 J- 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. * H: C3 [* D) m/ I( k* a" K/ k- D3 [; D$ p9 \
- 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 b: x0 T# E: d3 `. T, Q/ n http://www.albertahealthservices.ca/901.asp#children 2 D0 }3 t! _- Z8 @) J8 h/ h $ ^% ^, a) c% g; F* c& ]Will children need one or two vaccines?8 S( h; \8 {& I. R5 d& l$ o
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The Public Health Agency of Canada (Nov 12, 2009) recommends:% b2 L3 r# x& J
' E% z7 Q3 e- g& p * 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. ' R' M( w! {: N% d0 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. # q) `# T4 z0 P/ @ n) w/ D8 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. $ s( T+ V& b' R u * All children aged 10 years and older should receive one full dose adjuvanted vaccine.