Dr John Campbell
Dr John Campbell
@campbellteaching·3.3M subscribers·3.1K videos

UK Coronavirus Update with several principles

Posted

July 18, 2020

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UK

Cases, 293,239 or 2,800,000 or 5,600,000

Deaths, 55,233

293,239 CFR = 19%

2,800,000 CFR = 1.9%

5,600,000 CFR = 0.98%

70% of 326, 700, 000 = 228, 690, 000 = 2, 286, 900

70 % of 66, 460, 000 = 46, 522, 000 = 465, 220

ONS

England and Wales, w/e 3 July 2020 (Week 27)

Community based survey (not hospitals or care homes)

Deaths involving COVID-19, 532 (5.8% of all deaths in that week)

8th July, 24,000 infections, antigen testing, (1 in 2,300 of the population).

Estimated 1,700 new cases of COVID-19 per day, equivalent to 1 in every 5,000

Modelling shows evidence that the decrease in COVID-19 rates has levelled off

COVID-19 Infection Survey

Data up to 8th July

Based on 4,309 blood samples received since the start of the study on 26 April 2020

1 in 16 people (6.3%) who provided blood samples up to 8 July 2020 tested positive for

COVID-19 antibodies

This equates to 2.8 million people in England

Face coverings when outside the home

8 to 12 July 2020

61% reported wearing a face covering when leaving their home in the past seven days

up from 52% the week before.

10% had used a pub or restaurant

9% hairdresser

Oxford Vaccine Group, Coronavirus immunity in children

Oxford Vaccine Group, Public Health England, National Institute for Health Research

750 families in the trial

Prevalence of COVID-19 in children

Checking for coronavirus antibodies

3 % to 4 % of children tested positive for antibodies

Possible underestimate

Higher percentage in London

Of those who tested positive, fewer than 10 % showed any symptoms of COVID-19

Therefore children have similar infection rates to adults but a higher proportion are asymptomatic

Very few children and teenagers are experiencing COVID-19 symptoms

Less ACE-2 receptors

Cross immunity with other recent coronaviruses

Children are very good at spreading the influenza virus

But not so good at spreading COVID-19

Memory T cells

May mean we have more immunity than antibodies indicate

Stockholm

IgM first 23 days

IgG up to 49 days

Blood donors in May

15% had antibodies, 30% had memory T cells

Guests & Subjects Covered

UK CasesONS EnglandCOVID- Infection Survey DataJuly BasedEngland FaceOxford Vaccine Group CoronavirusHealth ResearchLondon Of

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UK Coronavirus Update with several principles · Dr John Campbell · Sentinel