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How Not To Catch Ebola   
 
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10-Oct-2014  
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As the outbreak continues to spread, the fear of catching the disease is rising.

Experts are learning more about how to contain the virus that has infected around 7,500 people in West Africa.

The race is on to stop this deadly disease that kills more than half of those it infects.

Here's what is known.

DON'T TOUCH

Ebola is spread by direct contact with contaminated body fluids. Blood, vomit and saliva can all carry and spread the deadly virus.

The relatives of sick patients and the healthcare workers who care for them are at highest risk of infection, but anyone who comes into close proximity potentially puts themselves at risk.

For that reason, contact should only be for essential medical care and always under the full protection of the right clothing.

The virus can't breach protective gear, such as gloves, a mask, goggles, a full body suit and tough rubber wellington boots, but too few have access to state-of-the-art kit.

Those who do get to wear it should keep changing it every 40 minutes to be safe. Inside the suit it can get up to about 40C. Getting into the kit takes about five minutes. Taking it off again takes the wearer and a designated helper "buddy" about 15 minutes.

This is one of the most dangerous times for contamination and people are sprayed with chlorine as this happens.

If an infected droplet does get on to your skin, it can be washed away immediately with soap and water or an alcohol-based hand sanitiser.

The eyes are a different matter. A spray of droplets from a sneeze directly into the eye, for example, could let the virus in.

Similarly, the mucous membranes of the mouth and inside of the nose are vulnerable areas, as is broken skin.

One of the most shocking symptoms of Ebola is bleeding. Patients can bleed from the eyes, ears, nose, mouth and rectum. Diarrhoea and vomit may also be tainted with blood.

A big infection risk is cleaning up. Any laundry or other clinical waste should be incinerated. Any medical equipment that needs to be kept should be decontaminated.

Without adequate sterilisation, virus transmission can continue and amplify.

Minute droplets on a surface that hasn't been adequately cleaned could, in theory, pose a risk. And it's unclear how long the virus could sit there and remain a threat. Flu viruses and other germs can live two hours or longer on hard environmental surfaces like tables, doorknobs, and desks.

The nurse who recently became infected while caring for two Ebola patients in Spain had twice gone into the room where one of the the patients was being treated - to be directly involved in his care and to disinfect the room after his death. Both times she was wearing protective clothing.

Soap and water or alcohol-based hand sanitisers readily disrupt the envelope of this single-stranded RNA virus, and decontamination with dilute bleach is effective and readily available even in remote settings.

CONDOMS

Generally, once someone recovers from Ebola and they have the all-clear, they can no longer spread the virus.

But Ebola virus has been found in semen for up to three months.

For this reason, doctors say that people who recover from Ebola should abstain from sex or use condoms for three months.
 
 
Source: BBC
 
 

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