Monday, May 18, 2020

Questions and Answers on Corona Virus Disease - Covid 19

Here are some useful questions and answers on Corona Virus Disease ( Covid 19 ) collected from various sources.  Hope it will be useful

How a person is tested for Covid 19 ?
The test for coronavirus does not involve any blood examination. Corona virus test includes examination of the throat swab or the nasal swab to check for infection. After taking samples, doctors posted at nodal hospitals may assess your physical health to decide whether hospitalisation is needed. Otherwise, you may be asked to stay isolated at home itself. If the tests are positive, you may require to remain quarantined for at least 14 days, till recovery.

What you should do if you want to be tested for Covid 19 in India?
Call Union health ministry's 24X7 helpline number: 01123978046. You can also mail your queries at ncov2019@gmail.com. The district surveillance officer will visit you shortly and, if chances of infection are high, you may be transported to a designated hospital for the test. Govt has placed separate ambulances for transporting suspected cases. Use of public transport isn't advised.

If you get infected with Corona Virus Disease and recovered,  will you get infected again?
It's not known. A few reports from China say some people had COVID-19, recovered and then fell ill again. It's unclear if that's a relapse, a new infection, or a case where the person never fully recovered in the first place. Scientists at the Fred Hutchinson Cancer Research Center in Seattle say the 30,000-letter genetic code of the virus changes by one letter every 15 days. It's not known how many of these changes would be needed for the virus to seem different enough to the immune system of someone who had a previous version of it for it to cause a fresh infection.

Can higher level of immunity prevent you from getting Covid 19 ?
Experts say the effects appear to depend on how robust or weakened a person's immune system is. The WHO and the Centre for Disease Control (CDC) have said that the two major groups of people who are more likely to be affected by the disease are the elderly and those with underlying medical conditions. People who have aged and have weak immune systems have a harder time fighting off the COVID-19 infection. People who already have an underlying health condition like heart disease, diabetes or lung disease are more prone to the infection causing severe symptoms. People with these underlying problems have a taxed immune system and cannot fight off the infection. However, you need to take the necessary precautions even if you are young and healthy.

Is it required to wear a mask?
According to WHO,  we should wear a mask only if you have been diagnosed with COVID-19 or looking after a patient of COVID-19.  A disposable face mask can only be used once.  If you are not ill or looking after someone who is ill then you are wasting a mask. Wear a mask if you are coughing or sneezing. Masks are effective only when used in combination with frequent hand-cleaning with alcohol-based hand rub or soap and water. If you wear a mask, then you must know how to use it and dispose of it properly.

What are the symptoms of Covid 19?
The most common symptoms of COVID-19 are fever, tiredness, and dry cough. Some patients may have aches and pains, nasal congestion, runny nose, sore throat or diarrhea. These symptoms are usually mild and begin gradually. Some people become infected but don't develop any symptoms and don't feel unwell. Most people (about 80%) recover from the disease without needing special treatment. Around 1 out of every 6 people who gets COVID-19 becomes seriously ill and develops difficulty breathing. Older people, and those with underlying medical problems like high blood pressure, heart problems or diabetes, are more likely to develop serious illness. People with fever, cough and difficulty breathing should seek medical attention.

How does Corona Virus Disease spread?
People can catch COVID-19 from others who have the virus. The disease can spread from person to person through small droplets from the nose or mouth which are spread when a person with COVID-19 coughs or exhales. These droplets land on objects and surfaces around the person. Other people then catch COVID-19 by touching these objects or surfaces, then touching their eyes, nose or mouth. People can also catch COVID-19 if they breathe in droplets from a person with COVID-19 who coughs out or exhales droplets. This is why it is important to stay more than 1 meter (3 feet) away from a person who is sick.

Can the corona virus transmitted through the air?
Studies till  date suggest that the virus that causes COVID-19 is mainly transmitted through contact with respiratory droplets rather than through the air. See previous answer on "How does COVID-19 spread?"

Can Covid 19 be caught from a person without having any symptoms?
The main way the disease spreads is through respiratory droplets expelled by someone who is coughing. The risk of catching COVID-19 from someone with no symptoms at all is very low. However, many people with COVID-19 experience only mild symptoms. This is particularly true at the early stages of the disease. It is therefore possible to catch COVID-19 from someone who has, for example, just a mild cough and does not feel ill.

What can I do to prevent the spread of the Corona Virus Disease?
You can reduce your chances of being infected or spreading COVID-19 by taking some simple precautions:

1: Regularly and thoroughly clean your hands with an alcohol-based hand rub or wash them with soap and water. Why? Washing your hands with soap and water or using alcohol-based hand rub kills viruses that may be on your hands.

2: Maintain at least 1 metre (3 feet) distance between yourself and anyone who is coughing or sneezing. Why? When someone coughs or sneezes they spray small liquid droplets from their nose or mouth which may contain virus. If you are too close, you can breathe in the droplets, including the COVID-19 virus if the person coughing has the disease.

3: Avoid touching eyes, nose and mouth. Why? Hands touch many surfaces and can pick up viruses. Once contaminated, hands can transfer the virus to your eyes, nose or mouth. From there, the virus can enter your body and can make you sick.

4: Make sure you, and the people around you, follow good respiratory hygiene. This means covering your mouth and nose with your bent elbow or tissue when you cough or sneeze. Then dispose of the used tissue immediately. Why? Droplets spread virus. By following good respiratory hygiene you protect the people around you from viruses such as cold, flu and COVID-19.

5: Stay home if you feel unwell. If you have a fever, cough and difficulty breathing, seek medical attention and call in advance. Follow the directions of your local health authority. Why? National and local authorities will have the most up to date information on the situation in your area. Calling in advance will allow your health care provider to quickly direct you to the right health facility. This will also protect you and help prevent spread of viruses and other infections.

6: Keep up to date on the latest COVID-19 hotspots (cities or local areas where COVID-19 is spreading widely). If possible, avoid traveling to places - especially if you are an older person or have diabetes, heart or lung disease. Why? You have a higher chance of catching COVID-19 in one of these areas.



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