 鲜花( 0)  鸡蛋( 0)
|
Top doctor says very few adverse reactions to H1N1 vaccine3 x. q7 p9 D- \
(CP) – 6 hours ago
/ e! [ d# g2 L2 I3 f" a+ q% ?% T, B9 v+ X
OTTAWA — The country's chief public health officer says few Canadians have suffered serious side effects from the swine-flu shot.+ z8 t" L7 Z4 r
9 ]0 H$ ?* x( i' O; jDr. David Butler-Jones says that of the 6.5 million people who have received the H1N1 vaccine, only 36 have had serious adverse reactions. I: L" i& s: X9 F2 u9 y7 S
5 h1 K0 S7 I: B2 @1 [- e"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."
3 D% c( ^7 @& j( e+ M$ v: Z7 k3 `8 C/ f6 w: _
More serious reactions can include life-threatening illnesses, hospitalizations, disabilities or deaths.
. e2 w* i1 B; d6 @; S9 v$ Y( Q+ b A0 @' e/ }, w
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.
, T. Q' H* f4 ?, J1 @3 L
# L7 j q/ }, S" H* q6 }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.
T$ ~! Z ^- B. e
, h. ?/ y: s( i* mA version of the vaccine without the booster is being held for pregnant women.8 N; m- Z, _2 b8 s8 G# W, C+ r
?- ~6 T- ]6 d: _' y
Butler-Jones said the serious side effects from the H1N1 shot fall into two categories: allergic reactions, or fevers and convulsions.
9 j9 `! t! m; X$ B! h7 C/ l; m2 @! R. ^% j
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.5 u$ b2 g; a o" Q3 p
( [/ A# A% O8 H+ X- C2 I+ q- ^, nThe federal government says it will list adverse reactions to the H1N1 vaccine on its www.fightflu.ca website.
: b3 Y3 C5 t# K% V& O" u* V! T( t3 b
So far, 198 people have died of swine flu. By comparison, seasonal flu kills between 4,000 to 8,000 Canadians each year. |
|