Menu Close

Health + Medicine – Articles, Analysis, Comment

Displaying 401 - 425 of 1521 articles

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.
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.
The swelling affects people’s lives in a multitude of ways. Maggie Steber for The Washington Post via Getty Images

Why it’s hard to end elephantiasis, a debilitating disease spread by mosquitoes

The main sign of the illness is disfiguring swelling followed by peeling of the affected area. In women this swelling mainly affects arms and legs. In men it can cause enlargement of the scrotum.
International efforts should prioritise equitable access to vaccines. Immanuel A.Afolabi/Majority World/Universal Images Group via Getty Images

The impact of COVID-19 has been lower in Africa. We explore the reasons

The emergence of variants of concern with increased potential for transmission and more severe disease in the younger population could make Africa more susceptible to a severe COVID-19 epidemic.
The Aedes mosquito can transmit several viruses including dengue, yellow fever and Zika. Joao Paulo Burini/GettyImages

Three things you should know about mosquitoes

Mosquitoes are among the deadliest animals in the world. Half of the deaths attributed to them are associated with malaria. But they carry other parasites and viruses that threaten human health.