 鲜花( 0)  鸡蛋( 0)
|
Top doctor says very few adverse reactions to H1N1 vaccine
9 y4 A" Q t( M0 l& l* R1 c7 S& G(CP) – 6 hours ago+ e# P0 D; @% \& U& ~- |
7 @- w& P! }8 n) _: S3 F- COTTAWA — The country's chief public health officer says few Canadians have suffered serious side effects from the swine-flu shot.( b6 ^ q$ m; s6 U- }0 v, h
; n' ~7 T) {! Q7 W1 p; C1 sDr. David Butler-Jones says that of the 6.5 million people who have received the H1N1 vaccine, only 36 have had serious adverse reactions.
4 E' @2 z0 S) |. H) K: k2 w! a( c1 I) L
"With any vaccination campaign, we expect to see some cases of serious adverse events," he said. "They are very rare, but they are part of all mass-vaccination campaigns and we expect to see a small number of them." @- K9 G" q( x! e, v* f1 |
1 O# D9 S: i" @0 |: W. R" [1 M
More serious reactions can include life-threatening illnesses, hospitalizations, disabilities or deaths.' Q& j% A6 N) _: j, y- K- E
; O1 Z% c: z5 f* R8 l
One person is believed to have died from a serious reaction to the vaccine, Butler-Jones said, but the death hasn't yet been conclusively linked to the flu shot. He said it's possible the elderly person who died suffered from an underlying condition.
( Q# h1 S2 ?- I- ]6 H" N
# [$ U, a: K' EAll the serious side effects came after shots of the adjuvanted vaccine, which contains a compound to boost the vaccine's potency. Butler-Jones said that's likely because the vast majority of people being vaccinated are getting the adjuvanted vaccine.9 ]1 D/ Q, e7 ?7 Y& ~
9 I$ D8 j: B7 y* [- P. LA version of the vaccine without the booster is being held for pregnant women.
4 p- w. e/ ]# w( I. c* H$ M4 O4 ^' X) ~( I. e* j
Butler-Jones said the serious side effects from the H1N1 shot fall into two categories: allergic reactions, or fevers and convulsions.) h3 u7 s8 ?( Z3 O2 Y# v2 W: @5 y
3 f! M8 W/ a5 {1 ^Mild effects, such as nausea, soreness, headaches and fever, are far more common reactions to the swine-flu shot - just as they are for all vaccines.
: i9 X/ Z% M1 d k M B
4 S5 [9 [# d* l; t+ s2 }3 o2 C4 xThe federal government says it will list adverse reactions to the H1N1 vaccine on its www.fightflu.ca website.7 ~) o# X( K5 f, T* p4 C
; h% r! F; f4 l3 N; k( N' O
So far, 198 people have died of swine flu. By comparison, seasonal flu kills between 4,000 to 8,000 Canadians each year. |
|