大略的实战数据出来了,打不打疫苗自己看着办

eetimes

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Since the COVID-19 vaccination program began on December 14, 2020 and up to June 26, 2021,
a total of 9,864,684 individuals in Ontario received at least one dose of vaccine (Table 2).
 Of the almost 9.9 million vaccinated individuals only 0.16% (15,592 individuals including both
symptomatic and asymptomatic cases) became infected when they were partially vaccinated
and only 0.02% (1,635 individuals) became infected when they were fully vaccinated; as these
were fully vaccinated individuals, these are considered breakthrough cases (Table 2).
 The majority (51.7%) of post-vaccination cases identified were not yet protected from
vaccination when they acquired their infection, as their symptom onset date was within 0 to <14
days following dose 1 administration (Table 1).
 The number of post-vaccination cases declines dramatically as time from vaccination increases.
The number of post-vaccination cases appears to decrease at about 10 days after dose 1. A
marked decrease in post-vaccination cases is observed 28 or more days after dose 1 and very
few cases are reported following dose 2 (Figure 1).
 Only 4.6% of cases post-vaccination occurred 14 or more days after dose 2 administration
and are considered breakthrough cases (Table 1).
 Trends in partially vaccinated and breakthrough cases are a reflection of both trends in vaccine
administration (increasing number of doses administered over time) and trends in COVID-19
incidence (Figure 2a and 2b).
 

lindamy

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Since the COVID-19 vaccination program began on December 14, 2020 and up to June 26, 2021,
a total of 9,864,684 individuals in Ontario received at least one dose of vaccine (Table 2).
 Of the almost 9.9 million vaccinated individuals only 0.16% (15,592 individuals including both
symptomatic and asymptomatic cases) became infected when they were partially vaccinated
and only 0.02% (1,635 individuals) became infected when they were fully vaccinated; as these
were fully vaccinated individuals, these are considered breakthrough cases (Table 2).
 The majority (51.7%) of post-vaccination cases identified were not yet protected from
vaccination when they acquired their infection, as their symptom onset date was within 0 to <14
days following dose 1 administration (Table 1).
 The number of post-vaccination cases declines dramatically as time from vaccination increases.
The number of post-vaccination cases appears to decrease at about 10 days after dose 1. A
marked decrease in post-vaccination cases is observed 28 or more days after dose 1 and very
few cases are reported following dose 2 (Figure 1).
 Only 4.6% of cases post-vaccination occurred 14 or more days after dose 2 administration
and are considered breakthrough cases (Table 1).
 Trends in partially vaccinated and breakthrough cases are a reflection of both trends in vaccine
administration (increasing number of doses administered over time) and trends in COVID-19
incidence (Figure 2a and 2b).
这个不是最后的更新,已经出了7月3日报告,今天应当会更新到7月10日。

 

贵圈

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AZ最棒?
 

贵圈

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moderna很棒啊。比pfizer强。
 

贵圈

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安省不错。就是AZ数据没看懂。
 

ottawa_tj

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不能看绝对值。。。疫苗总数:

AZ 86万
M 1.7million
P 7.2million
 

贵圈

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m数据就是好
 

贵圈

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12-17岁,数据怎么看?好像打了疫苗的很惨啊。
 

chicago666

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我代表广大人民群众喊一声,挑点重点出来,26页纸我们不可能全部细看一遍,直接上结论吧
 

Ottawa005

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Page 10 看不太懂
  • 80+,Partially Vaccinated Case 和 Unvaccinated Case 差不多。打一针没用?
  • 其他 Age group,Partially Vaccinated 和 Breakthrough 差不多。打两针和打一针防护力一样?
  • 所有 Age group,如果把 Partially Vaccinated Cases 和 Breakthrough cases 加在一起,差不多或比 Unvaccinated Cases 还多?
PS:December 14 开始的统计数据,大量的疫苗接种是从3月才开始吧。

Screen Shot 2021-07-14 at 4.12.54 PM.png
 

明的凡

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Page 10 看不太懂
  • 80+,Partially Vaccinated Case 和 Unvaccinated Case 差不多。打一针没用?
  • 其他 Age group,Partially Vaccinated 和 Breakthrough 差不多。打两针和打一针防护力一样?
  • 所有 Age group,如果把 Partially Vaccinated Cases 和 Breakthrough cases 加在一起,差不多或比 Unvaccinated Cases 还多?
PS:December 14 开始的统计数据,大量的疫苗接种是从3月才开始吧。

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单独看这套数据会被误导。因为这样会忽略单剂或者完全接种疫苗后感染率已经大大降低的事实:住院率乘以感染率之后再比较差别就明显了。
 

billwanhua

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80+,Partially Vaccinated Case 和 Unvaccinated Case 差不多。打一针没用
对老年人可能是这样,老年人产生的抗体比较弱,需要俩针才能保护不住医院。

其他 Age group,Partially Vaccinated 和 Breakthrough 差不多。打两针和打一针防护力一样?
这个是住院的防护力,有可能打俩针和打一针防止住院的保护差不多,但是防止感染有区别。当然有可能打2针总感染比率比打一针总感染比率要低很多。


所有 Age group,如果把 Partially Vaccinated Cases 和 Breakthrough cases 加在一起,差不多或比 Unvaccinated Cases 还多
这个是proportion,大概意思是每个种类里面感染者有多少比例需要住院的, 不是比率,不能直接加。 没有总人数信息。
比喻,拿80+的来说,感染者里面, 两针的20%要住院,一针的29%住院,没有打疫苗的32%要住院
 
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billwanhua

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12-17岁,数据怎么看?好像打了疫苗的很惨啊。

可能青年人接种比较迟,数据 statistically insignificant
figure3a 底下有解释:

Note: Proportions for partially vaccinated and breakthrough cases should be interpreted with caution due to instability caused by small denominators. For the 12-17 age
group, only 2 hospitalizations were reported amongst partially vaccinated cases. The small denominator (n=66) resulted in a proportion of 3.0%.

意思就是样本太少,statistically insignificant

一共66个人(感染?)一针只有2个住院的,所以是3.0%
 
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