A one of a kind vaccine freezer, that can store vials at ultra-low temperatures,
was launched in Johannesburg on Monday. The prototype storage container,
has been developed by Renergen, a South African natural gas company.
The container has been designed, to keep COVID-19 vaccines ultra-cold for up to 30 days,
and can store up to 6000 doses.
Rianté Naidoo has this story.