Global Health

A mutated coronavirus has scientists on alert, and other health stories you need to read

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A medical team member takes a swab sample from a woman to be tested for the coronavirus disease in Bogota, Colombia.

Top health news: Scientists race to investigate highly mutated coronavirus variant; and more. Image: REUTERS/Luisa Gonzalez

Shyam Bishen
Head, Centre for Health and Healthcare; Member of the Executive Committee, World Economic Forum
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  • This global round-up brings you health stories from the past fortnight.
  • Top health news: Scientists race to investigate highly mutated coronavirus variant; America's drinking water contaminated with toxic chemicals; Air pollution a major risk to life expectancy in South Asia.

1. Scientists investigate risks of highly mutated coronavirus

Research is underway to determine the risks posed by a new form of coronavirus that has been found around the world. The variant has been detected by several laboratories and appears to be rare, but it is significantly different from other strains currently in circulation.

Although there is no immediate cause for concern, the differences were notable enough to catch scientists' attention, as they may make it easier for the virus to evade people's existing immunity. The omicron variant that emerged in late 2021 was also significantly different from other strains in circulation and led to another wave of infection.

The World Health Organization has designated the mutated form as a variant under surveillance. The Centers for Disease Control and Prevention in the US says that existing tests and treatments appear to be effective against the strain.

2. Toxic 'forever' chemicals discovered in US drinking water

Toxic chemicals have been found in the drinking water of millions of people across the US, according to testing data released by the country's Environmental Protection Agency.

"Forever chemicals" – a group of extremely long-lasting compounds found in a variety of products, also known as per- and polyfluoroalkyl substances (PFAS) – have been detected in the water supplies of as many as 26 million Americans.

PFAS have been shown to lead to health problems including liver damage, thyroid disease, obesity, fertility issues and cancer.

Effects of PFAS on human health.
PFAS or forever chemicals are extremely persistent in our bodies and the environment and can lead to a number of health problems. Image: European Environment Agency
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3. News in brief: More health stories from around the world

Air pollution remains the biggest external risk to human health, but its impact is unequally spread worldwide. In Bangladesh, India, Pakistan, China, Nigeria and Indonesia, people's life expectancy is reduced by one to more than six years because of the air they breathe, the University of Chicago's Energy Policy Institute said in its latest Air Quality Life Index. Many of the countries most affected by air pollution lack the tools to create air quality improvements, the report says.

An improved diet, eating less red meat, reading and doing more sports can boost children's reasoning skills in their first two school years. Researchers from the University of Eastern Finland found that children with healthier eating habits, who read more and participated in organized sports, showed greater cognitive development than their peers.

Adults in the US who regularly say "hello" to their neighbours are more likely to have higher well-being than those who greet fewer or no neighbours. Americans' well-being score increases by the number of neighbours greeted, up to a maximum of six people, according to a Gallup survey.

4. More on health from Agenda

The secret to a long and happy life is in our relationships with other people, it seems. People with strong relationships live longer, and they’re happier and healthier too, according to a study by scientists at Harvard over the course of 85 years.

Cyber attacks on healthcare settings have the potential to put lives at risk. Culture, endpoint protection and access control are three key ways of helping prevent them.

Providing accessible and quality care is a significant challenge for India's healthcare system, particularly in rural areas like Madhya Pradesh. Digital dispensaries could help bridge the healthcare gap and enable underserved communities to quickly access care.

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Contents
1. Scientists investigate risks of highly mutated coronavirus2. Toxic 'forever' chemicals discovered in US drinking water3. News in brief: More health stories from around the world4. More on health from Agenda

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