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COVID-19 infections in Africa drops by more than 20 percent

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As COVID-19 Variants Prolong Africa’s Pandemic wave says WHO

The World Health Organization (WHO) has said that COVID-19 infections in Africa had dropped by more than 20%, the sharpest seven-day drop in two months, as the third wave pandemic winds down.

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The global health however observed that the rate of deceleration is slower than the previous waves owing to the impact of more transmissible variants.

Consequently, the WHO is spearheading critical work and supporting countries in scaling up pathogen surveillance through genome sequencing to detect and respond effectively to COVID-19 variants.

WHO Regional Director for Africa, Matshidiso Moeti, who stated this during a virtual press conference facilitated by APO Group yesterday, said that though the COVID-19 cases have declined appreciably, the downward trend is frustratingly slow due to the lingering effects of the more infectious Delta variant.

Moeti noted that in the week that ended September 5th, the continent recorded more than 165 000 cases, a 23 per cent decrease from the previous week but still greater than the weekly instances recorded at the top of the first wave.

According to her, the more contagious Delta variant that partly fuelled the third wave has been dominant in several countries that experienced COVID-19 surge.

She said “In southern Africa, for instance, where more than 4000 COVID-19 genome sequencing data was produced in August, the Delta variant was detected in over 70% of samples from Botswana, Malawi and South Africa, and in over 90% from Zimbabwe. collaboration with the South African National Bioinformatics Institute, WHO is at the forefront of the efforts to set up the Regional Centre of Excellence for Genomic Surveillance and Bioinformatics in Cape Town. The centre will support 14 countries before being expanded to serve more countries. Last year, WHO and partners established a COVID-19 sequencing laboratory network in Africa which has to date produced nearly 40 000 sequencing data”.

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Moeti who was joined by Professor Alan Christoffels, Director of the South African National Bioinformatics Institute, and Dr Christian Happi, Professor of Molecular Biology and Genomics and Director at the African Centre of Excellence for Genomics of Infectious Diseases at Redeemer’s University in Nigeria, lamented that the continent lags far behind the rest of the world when it comes to sequencing, with only 1% of over 3 million COVID-19 sequences conducted worldwide occurring in Africa.

She said, “The third wave has shown us how variants can hijack the efforts to tame the pandemic. Countries must step up surveillance because, without genomic information, variants can spread undetected. You can’t fix what you don’t measure. WHO has also recently provided financial support to countries including Eswatini, Sao Tome and Principe and Senegal to reinforce genomic surveillance. To date, the dominant Delta variant has been detected in 31 African countries, while the Alpha and Beta variants have respectively been identified in 44 and 39 countries.

“The C.1.2 variant initially identified in South Africa has so far been detected in 130 cases in 10 countries globally, including five in Africa. Although the variant has exhibited concerning mutations, there is no evidence that it is more transmissible or may affect vaccine efficacy, but more research is needed. As Africa’s third COVID-19 pandemic wave eases off, vaccine shipments to the continent continue to grow, with around 5.5 million doses received through COVAX in the first week of September. However, only around 3% of the continent’s population is fully vaccinated.

“To ultimately tip the scales against this pandemic, our best efforts to reduce transmission through public health measures must be met by a significant step-up in vaccine supplies and vaccinations,” Dr Moeti said.

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