delta

Thumbnail for What we know about COVID immunity after infection

What we know about COVID immunity after infection

Thumbnail for Borders stay open – despite SA Health recommendation to close

Borders stay open – despite SA Health recommendation to close

Thumbnail for SA’s rapid antigen test ban needs a rapid rethink

SA’s rapid antigen test ban needs a rapid rethink

Thumbnail for SA booster shot rollout begins

SA booster shot rollout begins

Thumbnail for When will we reach herd immunity?

When will we reach herd immunity?

Thumbnail for Fast and loose: Delta variant leads contact tracers on grim chase

Fast and loose: Delta variant leads contact tracers on grim chase