这个是最新官方说法。摘录如下: ; V4 @7 C+ h2 R ! Z# h7 ~; t e. N5 NNot all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: & K' Q0 t& g2 H3 Q% v
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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. _! {+ `& H4 g( k& a
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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. . m2 T3 [* E9 m- B9 G 0 V( ?* i! x$ Q' l! [4 Q6 Q- 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.
( |" d! n, ?" H4 _" ~# C$ sThe Public Health Agency of Canada (Nov 12, 2009) recommends: & ^+ P |! m$ `7 x) x2 ] M1 V; I
* 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.! X/ y+ `) w: D, o$ w' ? p! [
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.5 M/ |9 A& m+ P. e1 A
* 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. 7 \* v. A2 {" [' S g * All children aged 10 years and older should receive one full dose adjuvanted vaccine.