As with COVID-19, the effects of TB can linger long after it is cured

According to the World Health Organization, of the roughly 10 million people who fall ill with TB annually, over 80% survive, in most cases due to a six-month treatment course. Unfortunately, as with long COVID, being cured is not always the last hurdle and many people go on to struggle with post-TB lung disease. Tiyese Jeranji asked local experts about this sometimes-neglected area of TB care.

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COVID-19: The role of next-generation vaccines in immunity

Indications are that the virus that causes COVID-19 is going to continue evolving and escaping the protection against infection people already have. Researchers are working on next-generation vaccines tailored to fight off specific versions of the virus, like the Omicron sub-lineages BA.4 and BA.5. But can these new vaccines be tested and produced fast enough to keep up with the rapidly changing virus? Aisha Abdool Karim asked some local experts.

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COVID-19: Reinfections amid ‘complex mix of immunity’

Omicron and its sub-variants have been dominating new surges of SARS-CoV-2 infections around the world and were behind South Africa’s fifth wave. The BA.4 and BA.5 sub-lineages unveiled yet more surprises about the evasive nature of these ever-emerging forms of SARS-CoV-2. They also hold clues for what to expect next and how to prepare. Aisha Abdool Karim reports.

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Study suggests potential role for bnAbs in treating kids living with HIV

Broadly neutralising antibodies (bnAbs) are one of the most active and exciting areas in HIV research. Last year Spotlight reported on a “proof of concept” study showing that a specific bnAb can successfully prevent infection with certain strains of HIV. Now, we also have intriguing findings suggesting that bnAbs may have a role to play in the treatment of HIV in children. Elri Voigt reports.

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We need to vaccinate 90% of over-35s – Madhi

Government can avoid the overwhelming of health services and minimise death in an anticipated fourth COVID-19 wave in November/December by getting 90% of people in South Africa over 35 years old vaccinated before then. Life could then return to normal by Christmas, even with ongoing SARS-CoV-2 circulation, contends vaccinologist Professor Shabir Madhi.

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COVID-19 in kids: What have we learnt one year later?

It has been over a year since the world saw the first confirmed case of COVID-19, yet the science behind the virus’ physical impact on children remains relatively unclear. Kathryn Cleary spoke to two experts in paediatrics and immunology to get an update on what we have learnt so far.

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Herd (Immunity) Today, Gone Tomorrow

There is much talk in South Africa about a ‘second wave’ of COVID-19. In Europe, it is much more than talk, with COVID-19 diagnoses, hospital admissions, and deaths, not to mention ‘restrictions’, all on the rise. Alex Welte places in perspective what we do and do not know about herd immunity and potential second waves.

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