Science

Misinterpreting statistical anomalies and risk assessment when analysing Covid-19 deaths by ethnicity

coronavirus silhouette

Imagine there is a country called Bayesland that is divided into two distinct geographical areas – North Bayesland and South Bayesland – with equal population sizes. The country has been struck with a new, novel, infectious disease called P-STAT. Statistics reveal that the death rate for this disease for Southerners is twice that of the death rate for Northerners in each different age category (Table 1).

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Using Zipf’s law to help understand Covid-19

coronavirus blocks

The Covid-19 pandemic is a rapidly moving challenge. As countries and states scramble to meet this challenge in different ways, it can be difficult to follow and understand the data. Epidemiologists build models that incorporate a number of factors. But these are complex and must be updated as the data evolve.

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Covid-19 tweets analysis for human emotion detection

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Social media is a place for people to share their feelings, concerns, questions, and opinions. This is as true during the Covid-19 pandemic as it has been at any other time since Twitter, Facebook and other similar services came into existence. But the things people talk about during the pandemic are likely to be different to what they talk about in normal times. After all, at various points throughout 2020, people have been forced to stay at home in the interests of public health, schools have temporarily closed, family and friends have been kept apart, and many individuals have lost their jobs or sources of income.

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We need a randomized study of the UK’s decision to defer second doses of the mRNA vaccine

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Just a few days before the UK began its roll-out of a second Covid-19 vaccine, the decision was made to defer second doses of both vaccines to 12 weeks in order to maximize the number of citizens in “priority groups” who would receive a first dose by mid-February 2021. This decision departed radically from the trialled inter-dose interval of 3 weeks for the Pfizer/BioNTech messenger RNA (mRNA) vaccine, the world’s first mRNA vaccine, and so is immunologically heroic.

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