这个是最新官方说法。摘录如下:, s' m w4 n! U6 p
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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: - A& C c; ~- U1 T# ?
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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. ) l" j+ ~. c* v a' r- U; H6 K U6 i; ^" k
- 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. " t% ]! E8 v6 I% I; V. o. [
( E4 m6 W6 s( ]- 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 # `0 \! x* J* d, q9 nhttp://www.albertahealthservices.ca/901.asp#children 3 U2 n" G9 r* b2 e* [# w& _6 k% O8 w 4 g0 Q/ x+ G. o' X/ p |Will children need one or two vaccines? 9 @9 Q# C/ {0 U! C U. P7 L- |2 uThe Public Health Agency of Canada (Nov 12, 2009) recommends:) |4 m, A4 V" U$ C; x6 C; A6 P
3 ^ G8 g" I: k6 m+ Z; R * 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.* U# K* H5 Q0 q- k
* Healthy children with no chronic health problems aged three years to under 10 years should receive one half dose of the H1N1 adjuvanted vaccine. 8 k8 j" `' U0 `- a7 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.5 Q% }" c& C% l
* All children aged 10 years and older should receive one full dose adjuvanted vaccine.