It's been over a year since the new coronavirus first emerged in Wuhan, China
During this period, mutations have led to the emergence of dominant variants that are more transmissible and possibly more deadly
Professor Tulio de Oliveira spoke to Health24 about what scientists have learned during this time, and what they still need to know
It’s been a year since the minister of health, Zweli Mkhize, officially announced the first confirmed local Covid-19 case in South Africa.
To date, Covid-19, caused by the SARS-CoV-2 virus, has killed more than 2.5 million people worldwide, derailed economies and turned daily lives upside down.