 鲜花( 0)  鸡蛋( 0)
|
Top doctor says very few adverse reactions to H1N1 vaccine
" g8 [) {! s7 }1 X3 m# f1 e(CP) – 6 hours ago
4 y @+ D! \; z- [3 c, N. \, A# u" J$ `/ A: K, y
OTTAWA — The country's chief public health officer says few Canadians have suffered serious side effects from the swine-flu shot.+ @* l$ M$ i1 c' r; I4 Z1 G, Z+ A
" i# H) m5 ?3 v! v) J" t% R1 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.& }* f+ c' N4 c
: i- L' c6 K K g$ t
"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."; H* B4 r2 P8 w+ G$ d- y
/ U# o9 s" c! N: o
More serious reactions can include life-threatening illnesses, hospitalizations, disabilities or deaths.# H O1 M( B% ?- c
4 S' a/ t% y8 @, r! m( G" {) _8 h- F; VOne 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.
5 k+ }+ s, r& [$ g0 \0 T
! ~0 `' O+ C0 D! o) l% VAll 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 P/ c5 ^+ b8 T4 ~: @2 E2 D, l3 Z) z7 c7 m" y
A version of the vaccine without the booster is being held for pregnant women.4 O6 R# E, k/ R& G& Y" w8 T5 K
! h8 d8 e% u2 L. h
Butler-Jones said the serious side effects from the H1N1 shot fall into two categories: allergic reactions, or fevers and convulsions.: B3 ~" C. Y% A9 k( ]
7 [- ?; E4 Z0 t& B* x: I
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." @: ]9 J8 p# ^+ V" e
! E3 X9 R$ s7 @$ o' r6 _: bThe federal government says it will list adverse reactions to the H1N1 vaccine on its www.fightflu.ca website.
8 ]) j2 o* S/ f5 X) ]2 N0 i! N( T2 Y* F4 n! M1 v
So far, 198 people have died of swine flu. By comparison, seasonal flu kills between 4,000 to 8,000 Canadians each year. |
|