It is important to understand that not everyone should be tested and that the timing and correct use of the different types tests is important in order to gain the best results.
Herders at the N'gonga cattle market, Niger: Changing rainfall patterns alter locations of pastures the migrating herders depend on.
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Given its natural resources and people, Nigeria should be a prosperous nation, but after 60 years of self governance, the country now ranks as the world poverty capital.
Women have a huge amount to contribute to science and research, if the right support systems are in place.
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Reasons why women’s voices are ignored in science reporting range from socio-cultural influences that inform gender norms, to perceptions of leadership and political power structures.
The protests carried on for days and continue to simmer in a country whose social fabric has been torn by toxic masculinity and a violent colonial past.
A tightly packed and busy urban slum in Ajegunle, Lagos, Nigeria.
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A resurgence of the coronavirus in South Africa is almost impossible to avoid, but the timing and extent depend on people's behaviour.
The increasingly well-coordinated global anti-vaccine movement has repurposed itself to challenge the very reality of COVID-19.
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A safe, effective COVID-19 vaccine is expected to be developed in record time and may be approved for production, distribution and acceptance some time in 2021.
Male involvement antenatal care helps with the uptake of services and retention in care of both the mother and her baby.
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Male involvement in prevention of mother-to-child transmission of HIV is key for the uptake of services and retention in care. When men are involved, HIV exposed or infected children do better.
Illustration of Neisseria gonorrhoeae bacteria.
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The African continent has the highest burden of gonorrhoea worldwide. In South Africa alone, it’s estimated that more than 2 million new cases occur annually.
Professor Christian Happi, director of the African Centre of Excellence for Genomics of Infectious Diseases, displays one of the most advanced automated acid extractors being used in the laboratory.
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Depression and diabetes can occur together, and put huge strain on patients and health systems. Depression in patients with diabetes can cause poor self-management and poor treatment adherence.
Small-scale farming creates more jobs in South Africa.This one is in Soweto, Johannesburg.
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The new initiative reproduces the core weaknesses of post-apartheid state land and agricultural policy. These have done little to improve the livelihoods of the poor.
Kenyan flower exports to Europe fell 50%, affecting about 1 million people.
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Restricting trade to control the pandemic damages livelihoods, especially those of the urban poor. The control of future pandemics must strike a balance between health and economic activity.
Anger continues in Nigeria after a shooting in Lagos during ongoing protests against police brutality.
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Large numbers of young people can represent great economic potential. But this only works if Nigeria can invest in their health and education and new economic opportunities.
People wait for care at a Kenyan clinic.
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Slums are a challenge for controlling the pandemic. Strengthening their fragile healthcare provision would help mitigate the effects of COVID-19 and future pandemics.
Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand
Principal Medical Scientist and Head of Laboratory for Antimalarial Resistance Monitoring and Malaria Operational Research, National Institute for Communicable Diseases
Professor and Programme Director, SA MRC Centre for Health Economics and Decision Science - PRICELESS SA (Priority Cost Effective Lessons in Systems Strengthening South Africa), University of the Witwatersrand