这个是最新官方说法。摘录如下: $ V% s+ o9 d- L$ v* V# e$ _' i& P7 K% k
Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: 4 H: `7 b) p) m' m' a
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- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. 8 W! ^( T& o. t: s: P+ i T: q0 z2 j5 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. 1 I( {! y) T: K7 h* }( D. ?
, e3 S) m: l! N) L! u1 @) A& B- 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.
; h, j8 j' j( K# d U9 L( IWill children need one or two vaccines?& M) e0 x) z: Y1 S! j" n4 m
- W% [! s, `& _( hThe Public Health Agency of Canada (Nov 12, 2009) recommends: 7 H: n% \" f+ z' w5 z6 ]# y5 a6 D X7 \+ Q
* 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.( s1 j" ]' F& N& P& i# 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. + C u2 Z" G0 W$ }2 n * 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. 5 C. @5 [8 z+ _+ s/ r% L * All children aged 10 years and older should receive one full dose adjuvanted vaccine.