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Top doctor says very few adverse reactions to H1N1 vaccine
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OTTAWA — The country's chief public health officer says few Canadians have suffered serious side effects from the swine-flu shot.
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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.$ a5 D2 P `! K! ^- c
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"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."
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) Y: t6 K6 l3 q9 d/ F0 yMore serious reactions can include life-threatening illnesses, hospitalizations, disabilities or deaths.: e. x, Z5 l# T6 a5 M" c! A8 e
0 N. f- J8 _8 Y4 P: f0 o9 K0 AOne 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.2 M2 S( c+ w& I9 |8 u h2 ?" d
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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.
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A version of the vaccine without the booster is being held for pregnant women.
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- J. b$ Z8 Y( `* a' DButler-Jones said the serious side effects from the H1N1 shot fall into two categories: allergic reactions, or fevers and convulsions.+ B' r# \& l& _ }( I8 ?
) Y* r! b; f! I- ]& g. {7 ]; RMild 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.
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The federal government says it will list adverse reactions to the H1N1 vaccine on its www.fightflu.ca website.
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So far, 198 people have died of swine flu. By comparison, seasonal flu kills between 4,000 to 8,000 Canadians each year. |
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