About 70% of people had already been infected before omicron hit
By Alex Welte
News | 16 February 2022
Deaths have been massively underestimated in Africa
By Alex Welte, Nathan Geffen and James Stent
Science | 19 January 2022
If we do lock down, we must time it properly for it to be effective
By Alex Welte
Science | 26 November 2021
Here’s how deaths have changed over the past two decades
By Nathan Geffen and Alex Welte
Science | 8 October 2021
The time for social distancing is right now
By Alex Welte
Opinion | 10 June 2021
Interrupting a programme early leads to many more infections than one might naively estimate
By Alex Welte and Rachid Ouifki
Science | 21 April 2021
Starting a lockdown too early or too late reduces the benefits but not the hardships
By Alex Welte
Science | 31 March 2021
It is much more sensible to compare how many people have tested positive this week to last week
By Alex Welte
Science | 20 August 2020
The answer may surprise you
By Nathan Geffen and Alex Welte
Analysis | 18 August 2020
With great overview, comes great responsibility
By Alex Welte
Opinion | 14 April 2020
The epidemic won’t disappear by 17 April. We have merely bought three weeks breathing space to plan for the future
By Alex Welte
Opinion | 31 March 2020
And the crux of the solution is that a hundred thousand journals need to die
By Alex Welte and Eduard Grebe
Opinion | 3 August 2017