这个是最新官方说法。摘录如下: 6 ]2 g$ N+ m- V! Y4 ?4 `' \ 0 L3 m8 D! Z) ZNot all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: 1 h4 ]5 i+ Y# H) h7 Y' H/ ^+ W3 n" F
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- 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 O( j Y1 O* a/ \ ^! G& g. R5 g1 w, i9 p0 M0 ?2 `3 O/ S: 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. + \& I8 A3 @" W0 o
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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.
: s0 T. _8 p" ^ n8 r4 TWill children need one or two vaccines? + a0 g3 G3 M! z4 x! i6 @& [6 \+ I; j& t. G5 R/ w
The Public Health Agency of Canada (Nov 12, 2009) recommends: , S* {+ p/ U0 A, o! J5 p7 D% B3 D' l8 M$ _5 C" S
* 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 v4 ^0 M' 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. ~- e0 L3 V D& ^; C; }$ R5 q * 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.1 e1 m5 w5 q& \4 f/ ^$ A+ j
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.