Spain

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
https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-d/

Italy
Borders reopening from next month

Spain
https://www.cebm.net/covid-19/global-covid-19-case-fatality-rates/

https://english.elpais.com/society/2020-05-14/antibody-study-shows-just-5-of-spaniards-have-contracted-the-coronavirus.html

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