 鲜花( 0)  鸡蛋( 0)
|
Top doctor says very few adverse reactions to H1N1 vaccine& f& _4 J% B1 x& i0 [
(CP) – 6 hours ago2 c6 K4 F# T* ?; R5 `; x
$ ?. R. ?/ C* f N' C5 rOTTAWA — The country's chief public health officer says few Canadians have suffered serious side effects from the swine-flu shot.
6 l; v8 j) I+ h$ I* N+ e3 k' y; a3 |5 }
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.1 F n; `0 U# s6 b& |% G/ U
6 e: n0 C ]- M' z, L f- f$ v"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."
" l" O9 @* R' U6 a0 H7 B3 N
/ D% y* a7 d+ z m2 ^% c t. w. L" yMore serious reactions can include life-threatening illnesses, hospitalizations, disabilities or deaths.
- v U. y8 }9 P7 K7 G" m5 f# d
- H2 F6 \6 S$ R3 f5 e M1 gOne 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.
8 \9 L- c1 o$ m, F+ h) z- [+ [. {; i( _" S
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.8 r- t5 `. S4 N$ ?( \
# L( J1 z% z1 q* L$ o
A version of the vaccine without the booster is being held for pregnant women.
1 U3 S/ U1 f# \% n; {8 q8 d
' I5 w3 U$ V7 y7 r. p6 g" [) oButler-Jones said the serious side effects from the H1N1 shot fall into two categories: allergic reactions, or fevers and convulsions.* K8 ^( d5 v" x. l6 k. y5 R
( |' ^" c& F' M7 g- c# {0 l1 C" M
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.( L9 S; b% w1 k! P. Y2 h
$ S& z- n( H; z
The federal government says it will list adverse reactions to the H1N1 vaccine on its www.fightflu.ca website.
( @( a: y2 |5 S/ t. @: |5 g6 @6 w: D1 G j" N, v
So far, 198 people have died of swine flu. By comparison, seasonal flu kills between 4,000 to 8,000 Canadians each year. |
|