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People have resorted to using scarves and bandanas as face masks to protect against spreading coronavirus. While cloth masks aren’t as effective as surgical masks, research suggests they can limit the spread of droplets. Jens Schleuter/Getty Images

Why wear face masks in public? Here’s what the research shows

U.S. health officials flipped their advice and now recommend everyone wear cloth masks in public to reduce the spread of coronavirus to others. Some cities have fines for going without masks.
Ceremonial cape designs by Mexica (Aztec) artists who created the Codex Magliabechiano in the mid-1500s. Tonatiu (left) represents the sun deity and ‘ataduras’ (right) depicts bindings. The Book of the Life of Ancient Mexicans, Z. Nuttall (1903)

Coronavirus: Europeans introduced devastating novel diseases to the Indigenous Americas – here’s what the survivors learned

When colonisers invaded the Americas, they brought with them waves of new diseases. This legacy continues to impact Indigenous communities.
A pregnant woman walks past a street mural in Hong Kong on March 23, 2020. With the coronavirus pandemic moving quickly, pregnant women are facing a changing health care system. Anthony Wallace/AFP via Getty Images

Pregnant in a time of coronavirus – the changing risks and what you need to know

As the COVID-19 pandemic spreads, pregnant women are facing new health risks and a health care system that's changing around them by the day.
Globally, billions of dollars in public funds have been committed for COVID-19 vaccine development. It’s crucial that the resulting vaccine be accessible to all. (Shutterstock)

Coronavirus vaccine must be affordable and accessible

Canada is investing millions to develop COVID-19 treatments, but there are no safeguards to ensure that those vaccines and medications will be affordable and accessible to the people who need them.
This outbreak is going to show how decimated the UK’s welfare system is, and how it is the most vulnerable in society that will suffer the most. Dominic Lipinski/PA Wire/PA Images

Coronavirus: to avoid major humanitarian fallout, UK must act urgently

The UK is on the tipping point of a humanitarian emergency. To tackle this the government must now give more money to local authorities.
The U.S. has been scrambling to get testing for the coronavirus up to speed. AP Photo/Francois Mori

How does the coronavirus test work? 5 questions answered

A molecular biologist explains who should get tested, how the tests work and what the US government is doing to make tests available during a rapidly changing crisis.
Medical workers in health crisis zones need access to research evidence to inform decisions. Above, workers at a temporary hospital for COVID-19 patients in Wuhan, China on Feb. 21, 2020. Chinatopix via AP, File

Coronavirus: 5 ways to put evidence into action during outbreaks like COVID-19

In a health crisis, decisions about treatment and containment must be made quickly. It’s crucial those decisions be based on research evidence, but fast and easy access is not always available.
Commuters jam a Toronto subway platform. Widespread adoption of habits that help prevent infection may boost behavioural herd immunity. THE CANADIAN PRESS/Graeme Roy

Coronavirus: How behaviour can help control the spread of COVID-19

Large-scale adoption of simple, individual actions — like disinfecting our germ-laden phone screens — can limit the ability of COVID-19 to get a foothold.
Epigenetic clocks are a fascinating new technology, but some potential applications are controversial. (Pixabay/Stefan Keller)

New DNA test that reveals a child’s true age has promise, but ethical pitfalls

Pediatric epigenetic clocks have the potential to accurately assess biological age. However, possible applications in law enforcement and immigration raise ethical issues.

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