Watch how the "experts" adjust their messages to suit the narrative

Leongsam

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dailymail.co.uk

Why a kiss is better than a handshake when you want to avoid a cold


4 minutes


kiss

A kiss or two on the cheek in greeting might seem a little too continental for some.

But if you want to stay healthy it's time to pucker up.

The continental-style peck on the cheek is far more hygienic than the trusty British handshake, according to health experts.

While a quick air kiss - or two - somewhere in the cheek region is a relatively-germ free affair, hand-shaking it seems is another matter.

No matter how clean one person keeps their hands, unfortunately there is just no guarantee that the person on the other end of the greeting maintains such stringent standards.

And with flu and bugs like norovirus particularly rampant - a quick rinse under the tap is not enough.

More than three million Britons called in sick last week. Many of them will have been infected after touching someone else's hands and might have been better off kissing friends and relatives instead.

The greetings advice is back up by a new study of hand hygiene.

Professor Sally Bloomfield, from the London School of Hygiene and chairman of the International Scientific Forum on Home Hygiene, which carried out the research, said: "The hands are critical in the chain of infection as they transmit infections from surfaces to people and between people.

"Shaking hands is the main form of physical contact with each other but you don't know what the other person has been touching before you greet them. People avoid kissing each other when they have a cold, but in fact they are more likely to pass on an infection by shaking someone's hand."

The hygiene findings were published recently in the American Journal of Infection Control.

Experts carried out a detailed report of hand hygiene and said the fight against all types of infections, from colds and flu to stomach bugs and MRSA, begins at home.

The common saying "I won't kiss you, I've got a cold," does not usually extend to handshakes. But the report warns that it should.

Cold and flu viruses can be spread via the hands so that family members become infected when they rub their nose or eyes.

The report details how germs that cause stomach infections such as salmonella, campylobacter and norovirus can also circulate directly from person to person via our hands.

Some people also carry MRSA or C.difficile without even knowing, which can be passed around via hand and other surfaces.

Professor Bloomfield said: "It's important to know that good hand hygiene can really reduce the risks. What is important is not just knowing that we need to wash our hands but knowing when to wash them."

As well as washing rigorously with soap and water, experts recommend carrying an alcohol-based hand sanitizer for when it's not possible to get to a sink.
Surfaces from which the hands become contaminated, such as food contact surfaces, door handles, tap handles, toilet seats and cleaning cloths also need regular cleaning.

As for greetings. Experts are agreed that the French air-kiss which avoids contact all together is best.

But tread carefully, kissing etiquette can be thorny.

An earlier study revealed that he way you turn your head when you greet someone identifies how emotional you are.

It found that bout 80 per cent of men and women turned their heads to the right when kissing cheek-to-cheek, a gesture of real feeling. But the rest, who leaned to the left used less emotional parts of their brain and were not really making a warm gesture at all, the scientists said.
They also identified air kisses as an unemotional type of greeting.
 
Now.... from "kissing is safe" to "maintain 2 metres".

As my hero Trump would say "You're FAKE NEWS!

nytimes.com

This 3-D Simulation Shows Why Social Distancing Is So Important


6-8 minutes


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Public health experts and elected officials have emphasized again and again that social distancing is the best tool we have to slow the coronavirus outbreak.
The Centers for Disease Control and Prevention encourages people to stay home. If you must venture out, you should stay at least six feet away from others. The World Health Organization recommends a minimum of three feet of separation.
Scientists are learning about the novel coronavirus in real time, and those who study similar respiratory illnesses say that until it is better understood, no guideline is likely to offer perfect safety. Instead, understanding the possible transmission routes for the virus can help us see why keeping our distance is so important.


Scientists who study the transmission of respiratory illnesses like influenza say that infections typically happen when a healthy person comes into contact with respiratory droplets from an infected person’s cough, sneeze or breath.


This simulation, created using research data from the Kyoto Institute of Technology, offers one view of what can happen when someone coughs indoors. A cough produces respiratory droplets of varying sizes. Larger droplets fall to the floor, or break up into smaller droplets.


The heaviest coughs release about a quarter-teaspoon of fluid, with droplets dispersing quickly throughout the room. The simulation shows their spread over a minute, inside a room of about 600 square feet. Under other conditions, the particles could behave differently.


The C.D.C. says keeping at least six feet away from others can help you avoid contact with these respiratory droplets and lower the risk of infection. That guidance is based on the assumption that transmission mainly occurs through large droplets that fall in close proximity.


But as this simulation suggests, and scientists have argued, droplets can travel farther than six feet. And small droplets known as aerosols can remain suspended or travel through the air before they eventually settle on surfaces. This is how they could disperse over the next 20 minutes.


“It’s not like, ‘Oh, it’s six feet, they’ve all fallen and there’s nothing,’” said Donald K. Milton, an infectious aerosols scientist at the University of Maryland’s School of Public Health. “It’s more like it’s a continuum.”


In fact, researchers at M.I.T. studying coughs and sneezes observed particles from a cough traveling as far as 16 feet and those from a sneeze traveling as far as 26 feet.


All of this suggests that keeping a distance of six feet or more can greatly reduce the possibility of transmission, compared with being closer. “The farther you get away, the more diluted it is,” Dr. Milton said of the aerosol.


Coughing and sneezing may not be the only causes for concern. Studies of influenza have shown that infected people with mild or no symptoms may also generate infectious droplets through speaking and breathing.


An infected person talking for five minutes in a poorly ventilated space can produce as many viral droplets as one infectious cough. “If there are 10 people in there, it’s going to build up,” said Pratim Biswas, an aerosols expert at Washington University in St. Louis.


In recent days, public health officials have suggested that, in addition to social distancing, more people should wear face masks to help slow the spread of the virus.


A mask disrupts the trajectory of a cough, sneeze or breath and captures some respiratory droplets before they can spew out. A mask can also prevent large infectious droplets from landing on the nose and mouth, even though it provides minimal protection against inhaling the smaller droplets.


Wearing a mask can help protect yourself and others. So if you do need to leave home, wear a mask and be sure to keep your distance.
 
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