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

Spain

Posted

May 16, 2020

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COVID – 19, Saturday 16th May

Thailand

No new cases or deaths reported

Malls reopening

No international flights

India

Millions of people stranded

Hundreds of thousands walking home

Bangladesh

Coxes Bazar, first confirmed case in the refugee camps

Arizona

Lifting some restrictions

A green light to precede, not to speed

80% think it is too soon

NSW

Restaurants reopening

Iran

Clusters occurring new regions

UK

IOW, more than half downloaded the app

No evidence for vitamin D in COVID-19

Italy

Borders reopening from next month

Spain

Blood samples from nearly 70,000

Prevalence study (Carlos III public health institute)

5% of Spaniards have been infected

Soria province, 14.2% had antibodies

Madrid region, 11.3%

Murcia, Asturias, the Canary Islands, under 2%

Numbers all for IgG antibodies

IgG take longer to seroconvert

Indicate absence of active infection

Also tested for IgM, made days after the onset of symptoms

Herd immunity needs 70% and may cost 277,240 lives

CFR, proportion of deaths compared to the total number of people diagnosed

IFR is the ratio of deaths to the actual number of infections

University of Oxford, CFR globally = 0.51%

CEBM estimates the IFR at 0.1% to 0.26%

Numbers of undiagnosed cases

Official figures for Spain = 228,691

Actual infection rate in Spain = 2,350,000

90 % of infections have been undetected

Comparisons from other antibody studies

Geneva, 9.7% of the population was infected, 0.5% of these died.

Heinsberg (Germany), infection rate 14%, fatality rate was 0.4%

New York City, 21% tested positive for antibodies, fatality rate of 1.1%

UK, 6.5 million overall in England (0.5%)

Infection rate in children

Study shows lower prevalence figures among children

Less than 1 year = 1.1%

1 – 4 years = 2.2%, and for those between five and nine, it was 3%

5 – 9 years = 3%

No significant gender difference in infection rates

Guests & Subjects Covered

May Thailand NoIndia MillionsBangladesh Coxes BazarArizona LiftingNSW RestaurantsIran ClustersUK IOWCOVID- Italy Borders

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Spain · Dr John Campbell · Sentinel