Category: virus and immunology science
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…countries across Europe and beyond are banning travel from the UK in order to stem a more-infectious strain of Covid-19 that has been found in the London area.
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…in just a couple of days, the virus produced by the cells exploded from about 1000 particles to 10 million.
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Seeing as how there are thousands of coronaviruses, many of which seem to readily transmit between different species, your humble blogger predicts that we can expect more novel human coronavirus disease in the future.
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From the beginning of the COVID-19 pandemic, medical scientists have been baffled by the ferocity of the disease in some patients but not others. Especially baffling is the severity of the disease that sometimes even appears in healthy young people who have no preexisting high risk conditions.
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The science showing that children can readily be infected by CoV-2 is unequivocal.
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As reported two months ago in these pages, the vaccine that seems to have the early lead is being developed at England’s Oxford University in partnership with the pharma company AstraZeneca. On Monday, they reported encouraging results from their combination phase 1/2 study in the journal The Lancet.
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The antibody response to the virus decays pretty quickly after the virus is cleared from an infected person’s body. The implication is that we quickly lose immunity to the virus.
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70% of the sequences of ~50,000 CoV-2 genomes isolated from infected people around the world carry a simple mutation that might impart an increased ability of the virus to infect human cells.
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Over the last few weeks I have repeatedly seen claims from such “experts” that since we don’t have a vaccine for the coronavirus that causes the common cold, we will never have one for the coronavirus that causes COVID-19. Therefore, they conclude that the current efforts and expense to make such a vaccine simply waste…
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The Chinese authorities have now confirmed that no animal samples from the market were infected. This suggests that a single person brought a virus that was already adept at human transmission to the market and infected others.
Making Sense of Medical Science (MSMS) 