这个是最新官方说法。摘录如下: 4 L7 S1 t' \5 g' N: \" T1 n" s/ ~4 k' ?+ |1 |2 k: g: ~# z2 Q
Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: # f* N3 {, k- b) o8 ` * ~& s7 `* x) c# D# ]! l8 l- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. 4 ~: s! H% L; U; C2 S
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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. - t- N. j$ h4 T5 ~2 b- ?4 }* S( W& `. k R6 k
- 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.
& J; s3 m* |3 P9 Y4 gWill children need one or two vaccines? Q& C9 y+ S. G( b2 m 4 i2 K6 u. |0 n) o1 O; vThe Public Health Agency of Canada (Nov 12, 2009) recommends:6 _! }! @* h ]
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* 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.6 |. `6 x$ [. `; r2 k/ t) a
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. ! A! q# |: W1 K$ q7 _7 M/ ] * 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.- O9 z8 P$ z* l$ s% e) k
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.