Covid-19 Re-Infection

A nurse prepares a dose of the coronavirus disease (Covid-19) vaccine as the new Omicron variant spreads, in Dutywa, in the Eastern Cape province, South Africa November 29, 2021. REUTERS/Siphiwe Sibeko
Coronavirus chronicle

S Africa's health body sees threefold higher risk of reinfection from Omicron

The South African Centre for Epidemiological Modelling and Analysis (SACEMA) and the National Institute of Communicable Diseases (NICD) said the latest findings "provide epidemiological...

Computer image of a betacoronavirus which is the type of virus linked to Covid-19
Coronavirus chronicle

Coronavirus re-infections raise concerns about immunity

The ultrastructural morphology exhibited by the 2019 Novel Coronavirus, which was identified as the cause of an outbreak of respiratory illness first detected in Wuhan, China, is seen in an illustration released by the Centers for Disease Control and Prevention (CDC) in Atlanta, Georgia, US January 29, 2020/Reuters
Coronavirus chronicle

Two European patients re-infected with coronavirus - reports