 鲜花( 0)  鸡蛋( 0)
|
Top doctor says very few adverse reactions to H1N1 vaccine$ ]/ f$ ^; T0 D) G) U! p
(CP) – 6 hours ago& B" |; J8 b+ P% H
- X) _0 u- C' J" u
OTTAWA — The country's chief public health officer says few Canadians have suffered serious side effects from the swine-flu shot.& C/ V- ^ `0 g [9 [% ?6 B0 ?
) @- |2 i. ?* E5 ^$ N5 [2 k. O+ A
Dr. 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 o% ~! x4 s( M8 k8 Y1 G6 `5 o5 J
7 z$ s8 H0 S5 ?
"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."9 W0 z5 k" j' B9 P
3 Y1 u. k8 {/ O8 LMore serious reactions can include life-threatening illnesses, hospitalizations, disabilities or deaths.
! u5 ^+ [$ T1 R% c5 m% ]$ g( R3 \2 J6 x
" v$ T& l! 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.
) |# C" m8 m9 o) ~4 x. G2 P: T, c9 e# Z
All 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.( r4 h( ^+ l3 m' u
. F2 M; j7 m$ h( x, p6 u7 u
A version of the vaccine without the booster is being held for pregnant women.% Z Y c1 b B
- w% L8 t g# p, J4 p P
Butler-Jones said the serious side effects from the H1N1 shot fall into two categories: allergic reactions, or fevers and convulsions.
( L" }. m8 B( D! Z3 n+ x
; ~" ?4 c1 T ?' R. {0 l5 x1 _4 e; k# f+ aMild 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.
" y( R2 d2 \( |( V! K& U! X6 P* T) K, k. T2 ]5 H
The federal government says it will list adverse reactions to the H1N1 vaccine on its www.fightflu.ca website.
5 N; U7 l! }9 N9 d. Y3 m) e9 \6 A3 X8 v! N
So far, 198 people have died of swine flu. By comparison, seasonal flu kills between 4,000 to 8,000 Canadians each year. |
|