Comments by "Dale Crocker" (@dalecrocker3213) on "" video.

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  26.  @peterebel7899  There are many factors involved in a country's "performance" . In Japan the low death rate has different explanations from the high death rate in the UK. The relationship between Covid and malaria, for instance, is most interesting - with the countries with the most malaria all being way down on the list of covid deaths. Japan was malarial until the 18th century until when the disease was wiped out by efficient marsh drainage. The paper below gives a number of hypotheses to account for the huge differences in survival and infection rates between Europe and Asia and would certainly explain why the elderly in Japan have escaped, while the elderly of Europe have not. Genetic differences as a result of responses to earlier epidemics seem highly significant. "Several genes may be involved in the genetic predisposition to COVID-19, and the combination of multiple genes may be important for the severity of the infection. Among them, human leukocyte antigen (HLA) polymorphisms are associated with susceptibility to various diseases such as autoimmune diseases and infectious diseases. The composition ratio of HLA types varies greatly depending on the country and ethnic group. Since HLA is a protein of the immune system that is responsible for antigen presentation, HLA has been attracting attention in relation to disease susceptibility. Ellinghaus and colleagues performed GWAS on patients in Italy and Spain [17]. But, it was found that certain HLA types are unlikely to be associated with exacerbation of the novel coronavirus at least in Italy and Spain. Nevertheless, since HLA types, which are present only in Japan and other Asian countries, may show resistance to the novel coronavirus, further analysis is necessary." https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7403102/ Japanese and east asian immune systems
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