 鲜花( 0)  鸡蛋( 0)
|
Top doctor says very few adverse reactions to H1N1 vaccine
4 _0 c! c" r4 }3 |# s(CP) – 6 hours ago7 T5 Y. [, p' c$ x; ~, |
$ A0 P' k: u4 \OTTAWA — The country's chief public health officer says few Canadians have suffered serious side effects from the swine-flu shot.
8 d" Z, \3 D. ?3 o" q3 O; ^: q1 S0 r; r
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.
; Y( l6 V: \6 N+ J9 \+ C' s
8 [/ R% Y l% e# _; n7 I"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."# K W% @" @" L/ B
* J1 Q8 Z' D" i' b! P& r' { u$ N
More serious reactions can include life-threatening illnesses, hospitalizations, disabilities or deaths.8 n+ {( j4 Q* ]: [+ L+ K) Z
+ P2 I% T" H% `. s5 u1 P1 uOne 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.
3 p9 L0 I/ y0 g8 x: k1 Z7 g4 v, v& i" B7 r, P; J- Y
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.( o- ^. r, ?/ A S g' F' o% l
" _& H5 u% ^$ e% l1 G* x. n2 @
A version of the vaccine without the booster is being held for pregnant women.8 n t$ n& f9 N- n& P1 m
! X0 w7 o: J- Y/ w
Butler-Jones said the serious side effects from the H1N1 shot fall into two categories: allergic reactions, or fevers and convulsions.
2 S9 W1 U7 |( o6 y8 m4 b% y+ K+ Z/ q+ O! X
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., X8 |7 N8 @! u: \
& _/ b: K8 P7 U* r; s# s! s) B
The federal government says it will list adverse reactions to the H1N1 vaccine on its www.fightflu.ca website.5 Q8 ~" e6 }6 o
9 G. q/ q/ F* j4 {So far, 198 people have died of swine flu. By comparison, seasonal flu kills between 4,000 to 8,000 Canadians each year. |
|