The patterns of infections and deaths caused by the new coronavirus differ starkly between resource-poor settings and wealthier places, according to the largest contact-tracing study conducted so far, carried out using data from India.
Joseph Lewnard at the University of California, Berkeley, and his colleagues analysed data from almost 85,000 people with COVID-19, as well as their close contacts — who numbered nearly 600,000 — in the states of Tamil Nadu and Andhra Pradesh .
The incidence of COVID-19 in the two states declines steadily with age for people aged 40 and older — in contrast to the United States, where incidence climbs with age from age 65. Mortality rates for those aged 75 and above were markedly lower in India than in the United States — perhaps, the researchers say, because people in India who live to old age tend to be relatively wealthy compared with those who die younger.
The study also found that people were most likely to infect others within their own age group. This is especially true of children, suggesting that socialising among kids could contribute to viral spread.
https://science.sciencemag.org/content/early/2020/09/29/science.abd7672
Coronavirus Cases:
35.72 million
Deaths:
1052 k
Recovered:
26.88 million
1- mob ph data on the epidemic
https://www.nature.com/articles/s41467-020-18190-5
Germane RG articles:
Article Epidemic Models of Contact Tracing: Systematic Review of Tra...
Article Epidemiological and Clinical Aspects of COVID-19; a Narrative Review
https://www.ecdc.europa.eu/sites/default/files/documents/COVID-19-Contract-tracing-scale-up.pdf
Article Early dynamics of transmission and control of COVID-19: a ma...
I have a paper on traceability it might interesting Article Mitigating the Tsunami of COVID-19 through Sustainable Traceability
Have a look at the following useful links:
1- Germany's strong enabling environment:
https://ourworldindata.org/covid-exemplar-germany
2-Article Epidemic Models of Contact Tracing: Systematic Review of Tra...
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