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A baby scale hangs on a tree branch during a malnutrition screening session in Ifotaka, southern Madagascar. RIJASOLO/AFP via Getty Images

How climate change contributed to Madagascar’s food crisis

Out of the last six years in Madagascar, five years have had poor or very bad rainy seasons.
SARS-CoV-2 variants have also played an integral part in driving the course of the pandemic. Shutterstock

COVID-19: It’s time to look at the finer details of South Africa’s pandemic picture

Communities with high vaccine coverage rates are likely to see lower case numbers, hospitalisations and deaths related to COVID-19 compared to those with poor vaccine coverage.
A researcher prepares reagents for testing the samples for the COVID-19 coronavirus at the laboratory of Kenya Medical Research Institute (KEMRI) BRIAN ONGORO/AFP via Getty Images

Many East Africans miss out on disease diagnosis. What must be done about it

Countries must be encouraged to distribute essential healthcare provision - like diagnosis - to where people most need them and where they can be accessed more easily.
mRNA technologies for vaccine production is gaining more prominence Lulama Zenzile/Die Burger/Gallo Images via Getty Images

Messenger RNA: how it works in nature and in making vaccines

Thanks to the collaborative efforts of governments, funding agencies, academia, biotech and pharmaceutical companies, large-scale manufacturing of mRNA drug products is becoming a reality.
By better communicating how vaccines boost the immune system’s long term “memory”, manufacturers could address vaccine hesitancy. i_am_zews/Shutterstock

COVID-19 vaccines produce T-cell immunity that lasts and works against virus variants

Cell-mediated immunity is particularly effective at eradicating viruses, and more durable. This is important in the fight against COVID-19.
Shutterstock

South African health experts have identified a new lineage of SARS-CoV-2: what’s known so far

We are being cautious about the implications for vaccine efficacy and transmissibility while we gather more data to understand this lineage.

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