Interrupting a programme early leads to many more infections than one might naively estimate
By Alex Welte and Rachid Ouifki
Science | 21 April 2021
Quality of water bodies has declined over 40 years
Science | 9 April 2021
Researchers find higher rates of still births and maternal deaths
Science | 7 April 2021
Starting a lockdown too early or too late reduces the benefits but not the hardships
By Alex Welte
Science | 31 March 2021
“South Africa has squandered the opportunity to protect half a million of its most vulnerable citizens”
Science | 26 March 2021
The drug has failed to prevent or treat the disease, and it has lots of side-effects
Science | 12 March 2021
Waste treatment plants across the city are being monitored weekly
Science | 10 March 2021
The first substantial peer-reviewed clinical trial of the drug against Covid-19 finds no evidence that it is a wonder medicine
Science | 8 March 2021
If you have antibodies to the 501Y.V2 variant, you likely have protection against other strains of the virus
Science | 4 March 2021
Concern raised about missed production target, but Professor Glenda Gray says it’s a well-oiled company and they know what they have to do
Science | 25 February 2021
Scientists hope SARS-CoV-2 will be less likely to evade it
Science | 18 February 2021
While the results are disappointing against the local variant of the Covid-19 virus, there are reasons to think the vaccine may reduce deaths
Science | 14 February 2021
For the four provinces analysed, over half the population has likely had a SARS-CoV-2 infection
By Michael Cherry and Nathan Geffen
Science | 13 February 2021
At the moment there isn’t enough evidence to justify using the drug for the treatment or prevention of SARS-CoV-2
By Marc Mendelson, Francois Venter and Jeremy Nel
Science | 10 February 2021
Lockdown restrictions are not responsible for massive increase in mortality
Science | 1 February 2021
Mortality still near record high but it looks like we are turning the corner
Science | 27 January 2021