这个是最新官方说法。摘录如下: ; u1 O) U6 K7 i4 V# ?3 j+ g E $ S# Z, i* A+ { L- U% Q hNot all children will get away with only one shot, however. The Public Health Agency's revised guidelines are as follows: ' v5 u& B8 ~; X* C- a' j- I3 D! T7 V9 j O: r3 d
- 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+ L! T- S. \5 y, L4 n' k3 m8 P; D+ u8 i$ K% a
- 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. ' Y$ L8 @; c; q" c* l. U8 m5 }* W; A& L8 m6 p
- 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 & ~- v# p2 n* K& Qhttp://www.albertahealthservices.ca/901.asp#children( A( G8 P) u- z6 y: E8 J9 i
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Will children need one or two vaccines? 1 C7 g8 i& M/ M. i 1 t, T$ [2 k" kThe Public Health Agency of Canada (Nov 12, 2009) recommends:$ s! l* p# e/ U
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* 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. 8 e4 d2 U, P% { * Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. ' P2 a) F( q Q' h ?" N/ F * 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. & c8 {5 z, `: P) V5 U4 I * All children aged 10 years and older should receive one full dose adjuvanted vaccine.