这个是最新官方说法。摘录如下:7 y+ v1 ]& G. x/ G9 f; S7 ]
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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: 9 ?/ f2 K6 q1 G& `- 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. 6 G8 G" ?1 ^6 p; c7 U% f
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- 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. " G4 ^/ [% E9 z
8 L0 q t# ^0 @3 V* x" M [- 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 2 y/ p3 V5 X; C {http://www.albertahealthservices.ca/901.asp#children( H. F5 j' ]% U5 U- q
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Will children need one or two vaccines?# v9 o' L! h' U$ I3 {
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The Public Health Agency of Canada (Nov 12, 2009) recommends: $ a/ U3 J7 O: N( k, W" O4 [" Q4 N$ J5 u' ^4 R: P1 r; X
* 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.2 U, x, ?0 t4 Z' Q* G% N! ^- 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. 1 v6 Q! w) h( |7 A3 k* B * 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. - Z! [/ T! ^( J * All children aged 10 years and older should receive one full dose adjuvanted vaccine.