这个是最新官方说法。摘录如下: " \+ K) s- N1 V$ t0 N- o' j 9 z6 @- C+ i3 o6 aNot all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: % W* C2 G* \9 M8 J% z0 q* g
& m) F6 \0 N0 P$ @9 V6 Q! z- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. 9 x/ @ ^0 w% X( Z) c- Y, z t) _$ v# r+ L- 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. * w; T2 ?5 y8 d9 Z! L' c
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- 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 4 K3 ~' y6 v# g4 ohttp://www.albertahealthservices.ca/901.asp#children / C0 z& u; U* {9 Z2 N" c 7 |6 X/ V/ ]- x* @Will children need one or two vaccines?( H. h* k) z7 g& ~% Y, S8 ~' Y
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The Public Health Agency of Canada (Nov 12, 2009) recommends:% M9 g9 M; }) f' F. i' \) h
( J7 s$ `7 m6 C2 B8 ^ * 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.: J& s+ P, q" h2 s; N
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.& f5 Y, p) @4 `1 k) I3 @# P
* 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.+ P3 q* z8 R( o9 M1 F3 R% X
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.