这个是最新官方说法。摘录如下: ; I" Z$ g2 o9 M2 `" `. `- l. q7 B
Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: + j7 H2 L% L+ Y8 O P
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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. % G3 O0 e2 |* e" P, K, }! z
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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. 8 S' T4 s3 o/ Y! U0 P) D
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- 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 8 q( A, M. N7 hhttp://www.albertahealthservices.ca/901.asp#children 1 }) ^) Q4 D9 x" X9 w# t ( z0 F( S% n# o- S- w. f% \Will children need one or two vaccines? $ ? K9 T* m( @! E * ?. W/ p+ c+ A' P& \. x! ?The Public Health Agency of Canada (Nov 12, 2009) recommends: 2 U) L! f; N3 A; Q2 N: [7 ~; [4 \- z9 {2 n: D
* 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. : y4 j' V3 c- |1 e; t * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.! X7 H- J. ^ d( l0 H4 R6 i' o; q, h
* 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.3 W9 y. V7 t2 @ F9 u) N7 O( G G" k* F" F7 @
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.