这个是最新官方说法。摘录如下: 0 ]% \! X" t# n9 ` 9 t, |! O, R$ M3 b' _Not all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: $ k# X5 m! F! l8 s
+ ^6 p: M5 [2 `9 W2 {$ U6 \- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. ' a/ m; T- G" _0 \3 m: h. ~( U1 D1 u5 W1 T! [
- 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. ) u+ b' l0 L" G
+ B* \2 v* q& ?# r8 |- 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 6 `4 ^ M( ^- l% G5 ~ http://www.albertahealthservices.ca/901.asp#children # S. w" d+ E4 i X1 J3 S- m! v0 H N5 `7 T4 w: L6 f" K A
Will children need one or two vaccines?( n F1 d4 K' e- D/ ^
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The Public Health Agency of Canada (Nov 12, 2009) recommends: 4 k; R! i0 `6 n; B * b. {$ ~4 R/ _4 B) M * 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. : E; _! ?) K/ T- |; s+ B * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.0 h/ o- D- P8 u9 e Q, T7 d, y
* 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.8 O @- P6 w6 _! z1 p& z
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.