Ajax wrote on Apr 25
th, 2021 at 11:10am:
Prime Minister for Canyons wrote on Apr 25
th, 2021 at 11:08am:
Because not everyone who is vulnerable can be vaccinated due to immunocompromised status. You can't protect all of the herd by only vaccinating the old in the herd. Eventually those you don't vaccinate become vulnerable get the disease and suffer consequences.
Quote:Over 80% of people with coronavirus didn’t have key symptoms, UK study finds
There's your herd immunity right there....!
That is amazing.
We are still working on the data.
Quote:.......... Earlier estimates that 80% of infections are asymptomatic were too high and have since been revised down to between 17% and 20% of people with infections.12 Studies estimating this proportion are limited by heterogeneity in case definitions, incomplete symptom assessment, and inadequate retrospective and prospective follow-up of symptoms, however.3 Around 49% of people initially defined as asymptomatic go on to develop symptoms.45 .........
............ References
↵Buitrago-Garcia D, Egli-Gany D, Counotte MJ, et al. Occurrence and transmission potential of asymptomatic and presymptomatic SARS-CoV-2 infections: a living systematic review and meta-analysis. PLoS Med2020;17:e1003346. doi:10.1371/journal.pmed.1003346 pmid:32960881CrossRefPubMedGoogle Scholar
↵Byambasuren O, Cardona M, Bell K, Clark J, McLaws M-L, Glasziou P. Estimating the extent of asymptomatic COVID-19 and its potential for community transmission: systematic review and meta-analysis.J Association of Medical Microbiology and Infectious Disease Canada, 2020.Google Scholar
↵Meyerowitz EA, Richterman A, Bogoch II, Low N, Cevik M. Towards an accurate and systematic characterisation of persistently asymptomatic infection with SARS-CoV-2. Lancet Infect Dis2020;S1473-3099(20)30837-9.pmid:33301725Google Scholar
↵He J, Guo Y, Mao R, Zhang J. Proportion of asymptomatic coronavirus disease 2019: A systematic review and meta-analysis. J Med Virol2020. doi:10.1002/jmv.26326 pmid:32691881CrossRefPubMedGoogle Scholar
↵Yanes-Lane M, Winters N, Fregonese F, et al. Proportion of asymptomatic infection among COVID-19 positive persons and their transmission potential: A systematic review and meta-analysis. PLoS One2020;15:e0241536. doi:10.1371/journal.pone.0241536 pmid:33141862CrossRefPubMedGoogle Scholar .........
https://www.bmj.com/content/371/bmj.m4851