这个是最新官方说法。摘录如下:2 \$ x( L, N$ x
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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: ! U: k) i C) _+ K0 V& l. F; t- L' @4 Z9 I9 n- O2 y' h% ~4 o4 z6 U
- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. 5 ^' u) d! L$ m4 k
2 [! H+ e( b6 _8 l0 E- 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. ; n! }* s0 l6 |1 S. f, c
# x; d z* z$ r3 [8 r- 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 c. H8 G; I0 [0 S- Bhttp://www.albertahealthservices.ca/901.asp#children 5 z' q5 T8 X9 R0 v/ g* E* c ; X4 e1 O* d# _: b+ Y- \: t2 M# XWill children need one or two vaccines?+ _. ]/ b# C$ ]- }
) B8 q' S. ]) _, ]6 `The Public Health Agency of Canada (Nov 12, 2009) recommends: 9 v; v- k* m: ]& W0 ^# D; [- w6 ~8 A& h! }
* 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.5 j# x+ ?. y* `
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. * Z' l- z6 B# c% W6 @ * 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. 2 Y6 T* ^ T( ]& B * All children aged 10 years and older should receive one full dose adjuvanted vaccine.