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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.

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