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A comment on Pfizer board member suggests end to mask, vaccine mandates. Parent comment

Re:Pfizer board member suggests end to mask, vaccine mandates by packetlost on Wednesday January 26, 2022 @12:09PM (#30088197)
That's not at all how immunity or the vaccines work.
[ Parent | on HN ]
Re:Pfizer board member suggests end to mask, vaccine mandates by walterbell on Wednesday January 26, 2022 @12:56PM (#30089042)
UK data showed a ~1% chance of reinfection with Delta. Omicron is higher, https://assets.publishing.service.gov.uk/government/uploads/...

> To the end of week 43 in 2021 (to 31 October 2021) 72,264 possible reinfections have been identified ... 7.9 million first positives

For Delta transmission from vaccinated individuals, a study of Vietnamese healthcare workers found that 70% of infections were pre-symptomatic, https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3897733

> 69 healthcare workers were tested positive for SARS-CoV-2. 62 participated in the clinical study. 49 were (pre)symptomatic ... Breakthrough Delta variant infections are associated with high viral loads, prolonged PCR positivity, and low levels of vaccine-induced neutralizing antibodies, explaining the transmission between the vaccinated people. Physical distancing measures remain critical to reduce SARS-CoV-2 Delta variant transmission.

[ Parent | on HN ]