这个是最新官方说法。摘录如下: # J# F ?: D5 j& L: j ) q! n6 m7 J( T) N" {5 UNot all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: 7 \0 C% P6 L8 ?% V5 W( k7 G
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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. 0 r4 j4 z. _$ Z, d5 F# P( h/ ]) ]$ V- X7 ~0 f
- 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. : w7 `5 X' W& C/ i9 }8 X' y6 O" U+ V
% N) J2 l# ^1 f0 N( w- 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 6 x/ Z6 W$ t6 b4 {* E' Y, {% C: M' mhttp://www.albertahealthservices.ca/901.asp#children! }" j6 X* |' N1 q1 o
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Will children need one or two vaccines?: Q' P- l/ j0 D, A! n
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The Public Health Agency of Canada (Nov 12, 2009) recommends:! E$ |* G; ?3 D* F* ?
% c4 F3 _8 W7 m& [$ w * 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. : D' B6 c8 n3 C" B; _5 f/ C8 g1 E * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. O8 |8 ]- U4 K' F0 z
* 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.* ^: D, \( a2 _0 V# K k
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.