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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.- v5 Z* N) f( t( q- ] F9 @( | B
6 K% H' X7 t' p7 XDr. David Butler-Jones says that of the 6.5 million people who have received the H1N1 vaccine, only 36 have had serious adverse reactions.% }! f7 ]- p1 H' \
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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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More serious reactions can include life-threatening illnesses, hospitalizations, disabilities or deaths.% ]) e, a0 l6 u
- E) s" y* P y3 y4 X: Z; }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.
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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.. t6 K* Q' t: _$ n6 _/ p' B2 w
. Q6 u# G& t- C( ]A version of the vaccine without the booster is being held for pregnant women.
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Butler-Jones said the serious side effects from the H1N1 shot fall into two categories: allergic reactions, or fevers and convulsions.- s4 m& Y) J% Z6 Q
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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.
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The federal government says it will list adverse reactions to the H1N1 vaccine on its www.fightflu.ca website.. I8 S1 @# {1 y4 Z0 y5 c% t
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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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