Articles tagged with Africa
Researchers found viruses with Omicron-specific mutations in COVID-19 patients in six African countries two months before the variant was detected. The study suggests that Omicron emerged gradually, evolving from existing human immunity, and spreading rapidly across Africa before global detection.
Researchers used microCT to create a 3D atlas of lung lesions in TB and COVID-19, revealing complex shapes and hidden pathological structures. The study provides new insights into the microscopic anatomy of these deadly diseases.
A new study found that a single dose of acoziborole is as effective as current treatments for sleeping sickness, with a cure rate of 95% for late-stage patients and 100% for early/intermediate-stage patients. The treatment could revolutionize treatment for the disease by eliminating barriers such as hospitalization and travel distances.
Research by Lancaster University found that Egyptian mothers' employment during their daughter's adolescence has a long-lasting impact on their daughters' employment stability in adulthood. Employed mothers are more effective role models and bolsters daughters' aspirations, leading to stable public sector employment.
Biovac has concluded a licensing agreement with the International Vaccine Institute (IVI) to manufacture an oral cholera vaccine, addressing the critical shortage of vaccines needed to prevent cholera globally. The partnership aims to increase production volumes, reduce supply gaps, and support Africa's indigenous vaccine industry.
A new report showcases perennial rice strains that can thrive in various climate conditions, offering labor and cost savings for farmers. The research emphasizes the need for large-scale localization of perennial rice to tailor it to local climates, with potential applications in Africa and other regions.
A recent study found that science misinformation about genetically modified crops reached a quarter of a billion people globally. The majority of articles containing GMO-related keywords contained false information, especially on human health concerns, which had the highest readership.
Researchers developed disease-resistant maize genotypes for smallholder farmers, increasing safe yields and reducing aflatoxin contamination. The findings offer a promising strategy to protect food security in Sub-Saharan Africa.
A new study reveals that adopting high-yielding dairy cattle breeds and improving feed can help Tanzania increase milk production while reducing planet-warming greenhouse gas emissions and alleviating poverty. The research found that better feed can increase milk yield by up to 179% and improve the country's climate commitments.
Researchers found that people living with HIV have a significantly delayed internal body clock, consistent with the symptoms of jet lag. This disruption may contribute to increased health problems experienced by those with HIV. The study suggests a strong need for further research on younger people living with HIV in other countries.
A study of nearly 20,000 sub-Saharan adolescents found that loneliness, hunger, anxiety, and substance use were associated with suicidal ideation. In contrast, those with peer and parental support had a decreased likelihood of suicidal thoughts.
Between 2000 and 2020, malaria infections fell globally, but a significant increase occurred in sub-Saharan Africa, with 52.4 million pregnancies at risk from Plasmodium falciparum and vivax infection. Control initiatives failed to mitigate this trend.
A new University of Illinois study reveals that maize prices do not always rise after harvest in Sub-Saharan African markets, with prices falling 16.3% of the time. This uncertainty leads farmers to make decisions based on guesswork, considering storage expenses and risks of spoilage and loss.
Researchers have developed perennial rice that allows farmers to plant once and harvest up to eight times, reducing labor and costs. The crop provides significant environmental benefits, including improved soil quality and reduced greenhouse gas emissions.
A human genetic study suggests that Madagascar's loss of large vertebrates is linked to the first major human expansion on the island around 1,000 years ago. The study found that a small group of Bantu-speaking African people arrived on the island and led to the rapid growth of the human population.
The Congo peatlands, the world's largest tropical peatland complex, are fragile and vulnerable to drought. If modern-day global heating produces droughts in the region, they could release up to 30 billion tonnes of carbon, accelerating climate change.
A new book by Aston University financial regulation expert Dr Daniel Cash proposes a temporary change to the way credit ratings are decided to help poorer countries avoid downgraded ratings and borrow money for vital improvements like healthcare and infrastructure.
A monoclonal antibody was found to be up to 88.2% effective at preventing malaria infection in healthy, non-pregnant adults during a six-month malaria season in Mali, Africa. The study suggests that this antibody could complement other measures to protect vulnerable groups from seasonal malaria.
Scientists have discovered a new species of scops-owl on Príncipe Island, characterized by its unique 'tuu' call. The population is estimated at around 1000-1500 individuals and is considered Critically Endangered due to habitat loss and the construction of a hydro-electric dam.
The CABI-led study provides a comprehensive review of the devastating fall armyworm (Spodoptera frugiperda), highlighting its serious impact on maize and other cereal crops in Africa and parts of Asia and Australasia. The research offers recommendations for research to enhance sustainable management of FAW in invaded regions.
Researchers found that protected Indigenous lands have higher forest integrity than non-protected areas in all regions analyzed, including the Americas and Africa. However, within Indigenous lands without overlap with protected areas, forest health was actually worse off than non-protected areas.
Researchers found increasing water storage in recent decades, despite declining long rains season, which points to a potential silver lining for climate adaptation. Groundwater may support increasingly food and water insecure rural populations in the Horn of Africa drylands.
A recent study published in eLife reveals that women, the elderly, those in rural areas, and those living in poverty are less likely to own a mobile phone, thereby excluding them from accessing mobile health (mHealth) services. The study highlights the need for digital transformation across Africa to ensure equitable access to healthcare.
The editorial urges wealthy nations to step up support for Africa and vulnerable countries in addressing past, present, and future impacts of climate change. The climate crisis has destroyed a fifth of the GDP of the most vulnerable countries.
Over 250 health journals globally publish an editorial urging wealthy nations to provide climate justice for Africa, citing severe flooding, increased infectious diseases, and economic devastation. The authors argue that achieving the $100bn climate finance target is now 'globally critical' to forestall systemic risks.
A clinical trial begins in the Democratic Republic of Congo to evaluate tecovirimat's safety and effectiveness in treating monkeypox. The trial will enroll up to 450 participants, comparing those who receive tecovirimat to placebo, and gather data on disease severity, mortality, and recovery.
A recent MU study found that COVID-19 significantly impacted the academic experiences of African international students, with travel limitations, restricted employment opportunities, and family concerns making it difficult to focus on studies. The findings highlight the need for tailored support from universities during times of crisis.
A new analysis found that women in sub-Saharan Africa continue to face a higher risk of death following childbirth beyond the standard 42-day postpartum limit. The research, published in The Lancet Global Health, suggests that this risk remains elevated until around four months after childbirth.
Research reveals forest elephants disperse seeds over long distances, aiding timber species regeneration. Logging can be part of conservation efforts when planned and legally conducted.
A study published in the Review of Development Economics found that investments in high-quality education for rural farm people are crucial to breaking the cycle of low soil health and human capital development. Annual returns to schooling in Malawi were 3-4% after correcting for various factors.
The University of Illinois has received a $30 million investment from USAID to develop soybean value chains across Sub-Saharan Africa. The project aims to remove last-mile obstacles to technology adoption, including seed, productivity-improvement, and credit issues.
A team of researchers has observed orcas killing white sharks in South Africa using drone and helicopter footage. The study provides the first direct evidence of this behavior, showing that orcas are capable of pursuing, capturing, and incapacitating white sharks.
A new species of iris has been discovered in the Langeberg Mountains of South Africa, known as Geissorhiza seracina. The plant boasts a unique deep cherry-pink color and is one of the first new Iridaceae species to be found in over a decade.
A new study from the University of Bergen found that prophylactic anti-malarials can save money and reduce hospital readmissions for severely anaemic children in malaria-endemic areas. The research showed a 70% reduction in readmissions and deaths among these children.
Researchers documented social ties between individual chimpanzees and gorillas that persisted over years and across different contexts. The study found enhanced foraging opportunities to be a key benefit of interspecies social interactions, with apes sharing knowledge of diverse plant species.
A new, shorter combination treatment has been shown to be effective in treating visceral leishmaniasis in Eastern Africa. The treatment, which combines miltefosine and paromomycin, is safer and reduces hospitalization time by 18%, eliminating the need for painful daily injections.
Scientists analyze environmental data to find temperature, rainfall, and pastureland areas as key factors contributing to viral transmission. The researchers project that areas hospitable to Lassa virus spread may extend into Central and East Africa in the next several decades.
The new initiative aims to create more equitable digital financial services, expanding access to mobile money and other services for low-income earners and marginalized communities. The Upanzi Network will leverage research and academia across the continent to develop secure and cost-effective open-source digital technologies.
Climate variability in eastern Africa influenced hominin evolution, leading to anatomically distinct groups and modern human separation. Researchers analyzed lake sediment cores, revealing stable humid conditions, abrupt arid pulses, and extreme environmental shifts.
Scientists from the University of Rochester have provided a more accurate simulation of the impact that formed Earth’s largest crater two billion years ago. The new research suggests the impactor was much larger, about 20 to 25 kilometers in diameter, and traveling at a velocity of 15 to 20 kilometers per second.
The African Plant Nutrition Institute, Fertilizer Canada, and OCP Africa have signed a MoU to collaborate on agriculture development programmes that target sub-Saharan rural farmers. The planned interventions will see an improvement in food-security and livelihoods for smallholder farmers through joint programming, shared learning, and...
A new study led by ICM-CSIC has revealed the complex geometry of the Alboran Sea faults system, which has been absorbing most of the deformation from plate collision. The research demonstrates that this region is one of the most important fault systems in the western Mediterranean and has a significant tsunami risk.
A new analysis of nutrient omission trial data reveals that balanced fertilizer application can significantly improve maize and rice yields in sub-Saharan Africa. The study found that doubling current yields through balanced fertilization with nitrogen, phosphorus, and potassium can lead to more consistent results across regions.
A £7M NIHR award will scale clean energy access to improve health, gender equality and climate in sub-Saharan Africa. The project aims to address household air pollution, a significant risk factor for global disease, and will focus on informing national strategies to meet the UN's Sustainable Development Goal 7.
A study by the University of Bristol and Namibian Ministry found no statistically significant differences in population growth factors between dehorned and horned black rhinos. The research suggests that dehorning is not a hindrance to black rhino reproduction or survival, reassuring its use as an anti-poaching deterrent.
Researchers used a random forest model to analyze hyena whoops and found that individual signatures are distinct enough for identification. Repeating calls can improve identification accuracy, peaking at seven repetitions.
A recent study led by Veronika Somoza found that egg powder is a valuable source of essential nutrients, including vitamins and indispensable amino acids. The researchers discovered that the drying process did not lead to contamination with heavy metals and that egg powder can provide up to 61% of a child's daily requirement for selenium.
A study by the University of Copenhagen found that religiosity significantly affects the risk preferences of small-scale farmers in Ethiopia. Farmers who believe in a higher power are more willing to take risks, with approximately 26% believing God determines their success as farmers.
The study reveals that donkeys were first domesticated in Africa 5,000 years ago, with a previously unknown genetic lineage discovered in the Levant. This discovery has significant implications for understanding the history of trade between Europe and North Africa.
A new study published in The Lancet shows that telemedicine can provide safe and effective abortion services without routine ultrasound exams. Women who received telemedicine care had treatment results similar to those who received standard care, and preferred the option.
Researchers have identified genetic signatures explaining ethnic differences in prostate cancer severity, particularly in African men. The study found a new prostate cancer taxonomy and cancer drivers that predict life-threatening cancers, providing a critical key to understanding the disease.
Research reveals that wildlife hunting motivations differ across Africa and Europe, shifting from economic to socio-cultural and recreational factors as socio-economic conditions increase. Hunting intensity is surprisingly constant, while densely populated areas experience increased conflict-related killings.
A new study sheds light on the ancestry of manatees, tracing their evolution back 47 million years to northern Africa. The research suggests that modern manatees migrated from South America to the Caribbean and North America around 34 million years ago, with some species thriving in communities for millions of years.
Public health researchers developed a global vaccine risk index (VRI) to predict vaccine coverage lapses worldwide. The VRI considers factors like measles incidence, vaccine confidence, climate change, education, and income, revealing countries at high risk of disease outbreaks.
A new study led by York University finds that lower-to-middle-income countries struggle with high unemployment rates after COVID-19 lockdowns and economic restrictions. In contrast, higher-income countries such as Canada have better managed their unemployment rates.
A meta-analysis of nearly 300 studies reveals a higher hypertension prevalence in urban areas but with a narrowing gap over time and socio-economic development, indicating rapid increase in rural areas. The study highlights the need for increased awareness and control measures in rural areas to address the growing burden of hypertension.
Researchers analyzed the impact of continental free trade and agricultural development on Africa's food security. They found that combining both approaches can improve trade balances, reduce hunger, and mitigate greenhouse gas emissions.
Researchers developed a statistical mapping tool to predict genetic markers of resistance to Plasmodium falciparum, the parasite that causes malaria. The model uses data from the WorldWide Antimalarial Resistance Network and fills in gaps by making continuous predictions in space and time.
A study of 17 African coastal countries found that those farther from the coast have lower standards of living, with fewer owning radios, TVs, and vehicles. Access to education and infrastructure are key factors in increasing prosperity near ports.
Researchers used Plasmodium falciparum 7G8 challenge trials to test the PfNF54-based PfSPZ Vaccine, providing conservative predictions of its efficacy in Africa. The study found that VE over 24 weeks was as good as or better than VE against Pf7G8 CHMI at 24 weeks.