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Prof Francois Balloux
BallouxFrancois
In the case you pointed out, 200,000 children were vaccinated in 1955 with a batch of defective polio vaccine where the virus was insufficiently inactivated. 200 children suffered partial paralysis
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New preprint on #SARSCoV2 adaptation to transmission in minks. We identify a set of mutations that have been acquired multiple times in strains circulating in mink farms, and that are
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There is a paper out reporting high prevalence of #SARSCoV2 antibodies (IgG/IgM) in Italy from early September on. Factoring in a 1-2 week needed for seroconversion, this would imply that
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This new mink COVID-19 mutation story, which is making the rounds on Twitter is highly problematic. There are elements of truth in it but the reporting is completely irresponsible.1/https://www.berlingske.dk/nyheder/english-version-mink-cau
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The idea of regular testing with cheap/inaccurate #COVID19 (‘dipsticks’) tests may sound appealing, but as with most simple ideas, there are problems. I won't go into the economic, or logistic
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Contrary to recent claims, #SARSCoV2 is expected to be seasonal, as are essentially all >200 respiratory viruses in circulation, including the four 'common cold' coronaviruses (see below). (1/5)Source: https://smw.ch/article/doi/
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The Gomes 'herd immunity' paper is, I believe, mathematically correct. I find it actually useful to conceptualise why 'pandemic waves' die out, well below classical 'herd immunity' thresholds and despite
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Many discussions about #COVID19 boil down to wether the virus is 'just like the flu' or 'nothing like the flu'. As such, I felt it may be useful to provide
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The debate about how to respond to the #COVID19 pandemic is often framed as a scientific, or a scientific/economic problem. I do not believe it really is. Instead, it is
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It is the duty of infectious disease epidemiologists advising governments to err on the side of caution. They advise on (or rather warn about) the risks of worst case scenarios,
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In contrast to antibody-mediated immunity, T-cell response is extremely long-lived. For example, people infected in 2003 with SARS-1 still mount an immune response to #SARSCoV2 17 years later.(10/13) While there
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Comparing #COVID19 infection fatality rates (IFRs) of #SARSCoV2 with influenza can be problematic. As the piece below touches on, the IFR estimates for seasonal influenza are very poor. Though, another
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