chicago666
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同志们，加强针来了，Health Canada approves Pfizer's COVID-19 vaccine for use as booster
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chicago666
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Health Canada approves Pfizer's COVID-19 vaccine for use as booster
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Boosters have been recommended already for some higher-risk groups
The Canadian Press · Posted: Nov 09, 2021 1:00 PM ET | Last Updated: 6 hours ago
A senior gets a COVID-19 vaccination in April 2021. People 70 years of age and older are among the groups the National Advisory Committee on Immunization has recommended for booster shots. On Tuesday, Health Canada approved Pfizer-BioNTech's vaccine for use as a booster. (Alberta Health Services)
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Health Canada has approved a booster of Pfizer-BioNTech's COVID-19 vaccine for people 18 years of age and older.
The booster is intended to help people who've had their first two COVID-19 vaccine doses to maintain their protection against the virus over time.
The booster is identical to the regular Pfizer-BioNTech vaccine and is to be administered at least six months after the second vaccine dose.
Different provinces have employed different rollout strategies for booster doses. The mRNA vaccines approved in Canada (Pfizer-BioNTech and Moderna) have been used already as a third dose to offer longer-lasting protection to high-risk people — including long-term care home residents and people who are immunocompromised — in several parts of the country.
CBC EXPLAINSBooster shots, 3rd doses and who needs them
SECOND OPINIONWhy provinces and territories 'jump the gun' on Canada's COVID-19 vaccine guidance
At the end of October, the National Advisory Committee on Immunization (NACI) recommended boosters for other high-risk groups, including people 70 years of age and older and front-line health care workers who had a short period of time between their first two shots. Evidence has grown over the year showing that expanding the interval between the first and second doses offers better protection.
NACI also recommended boosters for people who received two doses of the Astra Zeneca vaccine, as the mRNA vaccines appear to offer better protection.
NACI says, however, that most people outside those higher-risk groups don't need a booster at this point because there is no evidence of waning protection over time against severe COVID-19 in the general population.
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Boosters have been recommended already for some higher-risk groups
The Canadian Press · Posted: Nov 09, 2021 1:00 PM ET | Last Updated: 6 hours ago
A senior gets a COVID-19 vaccination in April 2021. People 70 years of age and older are among the groups the National Advisory Committee on Immunization has recommended for booster shots. On Tuesday, Health Canada approved Pfizer-BioNTech's vaccine for use as a booster. (Alberta Health Services)
1377
comments
Health Canada has approved a booster of Pfizer-BioNTech's COVID-19 vaccine for people 18 years of age and older.
The booster is intended to help people who've had their first two COVID-19 vaccine doses to maintain their protection against the virus over time.
The booster is identical to the regular Pfizer-BioNTech vaccine and is to be administered at least six months after the second vaccine dose.
Different provinces have employed different rollout strategies for booster doses. The mRNA vaccines approved in Canada (Pfizer-BioNTech and Moderna) have been used already as a third dose to offer longer-lasting protection to high-risk people — including long-term care home residents and people who are immunocompromised — in several parts of the country.
CBC EXPLAINSBooster shots, 3rd doses and who needs them
SECOND OPINIONWhy provinces and territories 'jump the gun' on Canada's COVID-19 vaccine guidance
At the end of October, the National Advisory Committee on Immunization (NACI) recommended boosters for other high-risk groups, including people 70 years of age and older and front-line health care workers who had a short period of time between their first two shots. Evidence has grown over the year showing that expanding the interval between the first and second doses offers better protection.
NACI also recommended boosters for people who received two doses of the Astra Zeneca vaccine, as the mRNA vaccines appear to offer better protection.
NACI says, however, that most people outside those higher-risk groups don't need a booster at this point because there is no evidence of waning protection over time against severe COVID-19 in the general population.
chicago666
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现在想想当初采购了平均每个人打九针的量，是有先见之明的。第三针，同志们打不打吧？
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土豆威武，土豆厉害！
现在可以预约打加强针了。
chicago666
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说的是与第二针间隔半年，打的早的确实可以打了。
打的晚的要到明年了。
卫生部这次的行动要点赞，不要重蹈以色列的覆辙，3月份那批人现在基本没有什么防护效果了。
打的晚的要到明年了。
卫生部这次的行动要点赞，不要重蹈以色列的覆辙，3月份那批人现在基本没有什么防护效果了。