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A fisherman removes a fishing net laid out to dry on the outskirts of Mumbai, India, on May 5 2020. Francis Mascarenhas/Antara Foto/Reuters

How COVID-19 worsens hunger in India, the world’s largest food basket

The pandemic has disrupted local, regional and national supply chains, making the problem of hunger in India much worse.
Children receive biscuits and other foods from the Groundbreakers community feeding programme in Ocean View, Cape Town. EPA-EFE/Nic Bothma

South Africa faces mass hunger if efforts to offset impact of COVID-19 are eased

South Africans have experienced significant shocks to their livelihoods, and the threat of hunger presents a major concern for health, political and social stability.
Vaccinologists have not focused their research on tailoring vaccines to induce robust immune responses in the elderly. (Shutterstock)

Why vaccines are less effective in the elderly, and what it means for COVID-19

Immunosenescence — the decline of immune system function with age — means that vaccines are not as effective in older adults, the demographic most susceptible to many diseases, including COVID-19.

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