The equation 'COVID alert level = R (rate of infection) + number of infections' simply does not add up to a number between one and five.
Data privacy is a major concern but people seem willing to download the app.
Federal authorities have input, but states reign supreme – unless they decide to let local governments make the call.
Will people keep social distancing now that the lock down is eased? Our research shows that what matters is people's own motivation, not the threat of fines.
A survey conducted in early April reveals that, even in lockdown, fewer than 3% of people were feeling only negative emotions.
South Africa should base its COVID-19 mitigation strategy on the premise that the pandemic will last for two years unless a vaccine is developed before then.
Play with their friends helps children develop social skills and is good for mental health.
There has been a rapid redirection of resources towards COVID-19-related research. In the long term, this resource reallocation is likely to result in budget cuts in all research areas.
South Africa's national lockdown will amplify the needs of children with special education needs and disability.
During the lockdown, baking bread can bring us together and help us articulate our fears.
Road networks are emptying during lockdown. What does it mean for wildlife now and in the future?
Symptoms like loss of smell and taste are powerful predictors of COVID-19 infections.
The lock-downs are saving more lives than they cost, but eventually the costs will rise to the point where they exceed the value of lives saved.
Safety measures put in place to protect older people from contracting COVID-19 may also be placing them at greater risk of experiencing abuse.
It is rare for a post-authoritarian society to get two chances to reconcile. This may be just that, for white South Africans in particular.
Legal challenges to New Zealand's strict early lockdown rules will test how far a government can go in a public health emergency.
The number of lives that would be lost from COVID-19 if the restrictions ended far exceed the number of extra deaths expected from recession if it continued.
Lockdown requires that we all act as if we know nothing, even if we are world experts on disease transmission.
For the government a Sunday announcement has several advantages, many of them to do with the news agenda.
South Africa's response to the COVID-19 pandemic was one of 'intervene first and ask questions later'. Now is the time for government to state clearly what its strategic endgame is.