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Understanding waning immunity
What can we expect from a disease for which natural or vaccine induced immunity wanes?
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Maths in a minute: The normal distribution
It's so ubiquitous it's normal!
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Maths in a minute: The gamma distribution
How long do you have to wait for more than one thing to happen?
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Maths in a minute: Probability distributions
They are incredibly useful, but what exactly are they?
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Maths in a minute: The exponential distribution
How long do you have to wait for something to happen?
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Maths in a minute: The Poisson distribution
What's the chance that something happens?
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Maths in a minute: The binomial distribution
Measuring your chance of success.
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Why the generation time of COVID-19 is important
To work out the famous R number you need to know the time between infections.
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Understanding the generation time for COVID-19
How long does it take for one person to infect another?
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Parabolati
A beautiful argument to show that all parabolae are similar.
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How to work out doubling time
The doubling time for the Omicron variant seems to be scarily fast. But how do you calculate it?
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Maths in a minute: QALYs
What's a quality adjusted life year, or QALY?