Coronavirus variants: how did they evolve and what do they mean?
Although not all the mutations are thought to be important, the effect of any individual mutation might be changed by the presence of other mutations (an effect called epistasis).
Will coronavirus really evolve to become less deadly?
There is little or no direct evidence that virulence decreases over time. While newly emerged pathogens, such as HIV and Mers, are often highly virulent, the converse is not true.
Severe Covid in young people can mostly be explained by obesity – new study
Early studies reported that many more people who were overweight or obese were admitted to an ICU and needed mechanical ventilation than people who were not overweight or obese.
Medical oxygen should not be a luxury – we’re trying to develop a cheaper way to produce it
Oxygen is mostly obtained from liquefied air. Engineers turn the air we breathe into a liquid, using a combination of processes that cool down gases until they condensate.
Covid vaccines: why waiving patents won’t fix global shortage – scientist explains
South Africa and India have petitioned the World Trade Organization (WTO) to waive certain IP protections, for a limited time, that relate to products for preventing, containing or treating Covid-19.
US-backed vaccine patent waiver: pros and cons explained
The intent behind the push for the waiver is of course well intended – to remove any bottlenecks due to intellectual property protections and ramp up the production and distribution of these vaccines in the rest of the world.
Covid in India: the deep-rooted issues behind the devastating crisis
India is an inherently high-risk country for an epidemic. The country holds 1.4 billion people, living in crowded areas with extensive community networks and limited facilities for sanitation, isolation and healthcare.
New drugs work against the many strains of hepatitis C found in African countries
By John McLauchlan, Professor of Viral Hepatitis, University of Glasgow Around the world, 71 million people have been infected with the hepatitis C virus. The primary route of infection is…
We must make moral choices about how we relate to social media apps
Social media platforms exploit our emotions and pre-cognate needs like belonging, recognition, acceptance and pleasure that are ‘hard wired’ into us to secure our survival.
Social norms and poor services drive petty corruption in East Africa’s health sector
Conventional anti-corruption measures and approaches often seek to scale up penalties and, by so doing, increase deterrence. Some focus on better laws, regulations and education and awareness campaigns about the negative effects of corruption.
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