r/worldnews – Two Pfizer, AstraZeneca doses work towards Delta variant: research


For this within the precise science that is the unique article: Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant

Info on the information supply:

Knowledge on all individuals in England who’ve been vaccinated with Covid-19 vaccines can be found in a nationwide vaccination register (the Nationwide Immunisation Administration System). Knowledge concerning vaccinations that had occurred as much as Could 16, 2021, together with the date of receipt of every dose of vaccine and the vaccine kind, had been extracted on Could 17, 2021.

Much more curiously:

The three information sources described above had been linked with using the Nationwide Well being Service quantity (a novel identifier for every particular person receiving medical care in the UK). These information sources had been additionally linked with information on the affected person’s date of delivery, surname, first identify, postal code, and specimen identifiers and pattern dates … Surveillance of coronavirus illness 2019 (Covid-19) testing and vaccination is undertaken underneath Regulation 3 of the Well being Service (Management of Affected person Info) Rules 2002 to gather confidential affected person info (www.legislation.gov.uk/uksi/2002/1438/regulation/3/made. opens in new tab) underneath Sections 3(i) (a) to (c), 3(i)(d) (i) and (ii), and three.

So, that is all vaccine affected person information as much as Could 16, 2021 from England, UK completely.

Notice the UK general makes use of a unique schedule for the Pfizer vaccine distribution. As a substitute of 21 days, as per the producer, it’s 8-12 weeks – excluding comparatively latest walk-in vaccine middle distribution which might decrease that, however nonetheless seemingly stays effectively past the 21 days. Different science, e.g.Extended interval BNT162b2 vaccination enhances peak antibody generation in older people (a small research), has present elevated antibody effectiveness from an prolonged schedule.

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