这个是最新官方说法。摘录如下: - z9 D6 M; \: I3 } . n6 y4 C2 m _+ `3 ENot all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: * i3 T6 O3 G; }. C $ I; G) T8 c, ^) X ]6 w- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. " I* h) D x/ y6 L
: Z+ D# b6 W8 A8 \- 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. * m6 P# D" @/ H7 ~' f) J1 W& N2 r % E" T7 }) v7 T+ E8 G- F, F5 W- 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 $ a0 A. w/ k+ a" B% M, ^ http://www.albertahealthservices.ca/901.asp#children. Y c4 f9 k9 t8 j1 P6 c9 G* P
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Will children need one or two vaccines?, k- k! d. G. Q9 ?! v
$ u6 h9 }0 { a$ G& rThe Public Health Agency of Canada (Nov 12, 2009) recommends: 5 c7 m1 ^' x$ n ! B" a' K* G' F3 k) s0 L0 _) I8 C * 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. " g1 |3 M4 W) m/ g" S! c. k7 Q. c * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.$ [. v' R, r) ?) E
* 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. ! Y' ?3 `( c/ S! n * All children aged 10 years and older should receive one full dose adjuvanted vaccine.