这个是最新官方说法。摘录如下:5 [; m+ z6 y, E' o! Y9 v
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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: 2 [8 ^2 p) |6 V5 y+ j e5 u& E3 b6 t/ _1 X. v7 A- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. 1 p/ K1 p6 _7 \5 O: o$ R& S$ H$ y4 p
- 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. 1 O6 ?: V" f& z& C3 ^' x1 ^# a/ G* ^ & M* a, ?2 Y3 C. _% R& Y- 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 + P% {/ u; o4 F http://www.albertahealthservices.ca/901.asp#children & _8 ]7 f3 @0 F% k( f+ Q5 [ L, m: E s9 g5 b# c9 S- }Will children need one or two vaccines? 7 b) A9 g( r0 I: ^/ ? $ q l8 S; p, HThe Public Health Agency of Canada (Nov 12, 2009) recommends: 5 D1 r- W. q3 j3 D: N( p0 x: V5 n+ ^8 U1 _
* 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.! y1 |) n. q, P; f
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. \6 X( |* ?9 b/ T2 b$ 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. A, w( J+ x* | * All children aged 10 years and older should receive one full dose adjuvanted vaccine.