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Diabetes and COVID-19

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  • COVID-19 & diabetes




COVID-19 is a new and potentially serious coronavirus. There are many coronaviruses, ranging from the common cold to much more serious viruses such as Severe Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS). They are viruses that have been transmitted from animals to people. In severe cases, coronaviruses can cause infection in the lungs (pneumonia), kidney failure and even death.
The World Health Organization (WHO) has declared the COVID-19 outbreak to be a public health emergency of international concern. At present there is no vaccine against COVID-19.
Common signs are typical flu-like symptoms: a fever, cough, breathing difficulties, tiredness and muscle aches. Symptoms usually start within 3-7 days of exposure to the virus, but in some cases it has taken up to 14 days for symptoms to appear.
People of all ages can be infected. For many (more than 80% of cases), COVID-19 is mild, with minimal flu-like symptoms. Some have not shown symptoms or only very mild symptoms, more like a common cold. The majority of people who have caught the virus did not need to be hospitalised for supportive care. However, in approaching 15% of cases COVID-19 has been severe and in around 5% of cases it has led to critical illness. The vast majority (around 98%) of people infected to date have survived.

When people with diabetes develop a viral infection, it can be harder to treat due to fluctuations in blood glucose levels and, possibly, the presence of diabetes complications.

Older people and people with pre-existing medical conditions (such as diabetes, heart disease and asthma) appear to be more vulnerable to becoming severely ill with the COVID-19 virus. When people with diabetes develop a viral infection, it can be harder to treat due to fluctuations in blood glucose levels and, possibly, the presence of diabetes complications. There appear to be two reasons for this. Firstly, the immune system is compromised, making it harder to fight the virus and likely leading to a longer recovery period. Secondly, the virus may thrive in an environment of elevated blood glucose.
Like any other respiratory disease, COVID-19 is spread through air-droplets that are dispersed when an infected person talks, sneezes or coughs. The virus can survive from a few hours up to a few days depending on the environmental conditions. It can be spread through close contact with an infected person or by contact with air droplets in the environment (on a surface for example) and then touching the mouth or nose (hence the common advice circulating on hand hygiene and social distancing).
What can people with diabetes and their loved ones do?
For people living with diabetes it is important to take precautions to avoid the virus if possible. The recommendations that are being widely issued to the general public are doubly important for people living with diabetes and anyone in close contact with people living with diabetes.
  • Wash hands thoroughly and regularly.
  • Try to avoid touching your face before you have washed and dried your hands.
  • Clean and disinfect any objects and surfaces that are touched frequently.
  • Don’t share food, glasses, towels, tools etc.
  • When you cough or sneeze, cover your mouth and nose with a tissue or use the crook of your arm if you don’t have a tissue to hand (dispose of the tissue appropriately after use).
  • Try to avoid contact with anyone showing symptoms of respiratory illness such as coughing.
  • Think whether you can make changes that will help protect yourself or loved ones. For example, can you avoid unnecessary business travel? Can you avoid large gatherings? Can you avoid public transport?
  • If you are ill with flu-like symptoms, stay at home.
If you have diabetes:
  • Prepare in case you get ill.
  • Make sure you have all relevant contact details to hand in case you need them.
  • Pay extra attention to your glucose control.
  • If you do show flu-like symptoms (raised temperature, cough, difficulty breathing), it is important to consult a healthcare professional. If you are coughing up phlegm, this may indicate an infection so you should seek medical support and treatment immediately.
  • Any infection is going to raise your glucose levels and increase your need for fluids, so make sure you can access a sufficient supply of water.
  • Make sure you have a good supply of the diabetes medications you need. Think what you would need if you had to quarantine yourself for a few weeks.
  • Make sure you have access to enough food.
  • Make sure you will be able to correct the situation if your blood glucose drops suddenly.
  • If you live alone, make sure someone you can rely on knows you have diabetes as you may require assistance if you get ill.
COVID-19 is a new coronavirus. The situation is not fully clear at this point, so keep informed of the latest developments. Look out for updates and advice from your government, national diabetes association and other reliable sources

Take charge of your health

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