这个是最新官方说法。摘录如下:) y x* I# W Z) \# s; j
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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: 7 G i! `' N- |$ C, b 1 R k* t! E; |- e- Children between six months and under three years old should still receive two half-doses of adjuvanted H1N1 vaccine, at least 21 days apart. ' m0 f: q# o) l. O, k! H' d" p9 t g/ z$ i2 A/ x/ j
- 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. ' f. L( }6 Q# a( { : G- @- I( B4 L; S9 f. z/ X- 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.
9 ]2 [* A3 t3 e8 A4 ?' DThe Public Health Agency of Canada (Nov 12, 2009) recommends: 4 g3 }0 n% K- g4 G+ j1 H" W& q4 ?; r4 x; Z
* 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.) R* ?( U* m b" t8 M
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine.: Y$ L! L. Q/ }# U( A, r) J. G
* 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. ; E! t8 y# P: |+ q; z \, R- k * All children aged 10 years and older should receive one full dose adjuvanted vaccine.