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COVID-19: Its Cause and How It Spreads

COVID-19 is a disease that has been spreading across the world for the past few years. It's caused by an infectious agent called the coronavirus, which exists in all strains of CoV-19.

This blog post will explain what COVID-19 is, how it spreads and how you can prevent yourself from becoming infected with this disease.

What Is the Cause of COVID-19?

COVID-19 is a new strain of the influenza virus. It is an airborne virus, which means it can be spread through droplets that are dispersed in the air when an infected person coughs, sneezes or talks.

COVID-19 cannot be spread through physical contact but through other indirect methods, such as contaminated surfaces or food handlers who have been exposed to someone with the disease but do not show symptoms themselves (asymptomatic).

Symptoms of COVID-19 include fever, chills, headache and muscle aches along with a cough that lasts for at least three days. Symptoms most often occur within three to four days after exposure but may occur later in some cases.

A doctor can confirm whether your illness is caused by COVID-19 through laboratory tests on nasal swabs taken from you by your healthcare provider during a medical examination or at home using a rapid antigen test kit available over the counter in pharmacies throughout Australia.

How Does COVID-19 Spread?

COVID-19 is spread by respiratory droplets. It is also possible for the virus to be transmitted through direct contact with a contaminated surface. This can happen when people touch their eyes, nose or mouth after touching a contaminated surface.

Respiratory droplets are small particles that may travel several feet in the air and may be breathed in by someone else nearby. This is why it’s important to cover your mouth and nose with tissues or your sleeve if you start to cough or sneeze whilst around others in crowded places. You should also wash your hands regularly with soap and water or use hand sanitiser after coughing or sneezing into your hands.

Does Covid-19 Spread Through Sneezing?

COVID-19 is spread through coughing, sneezing and touching contaminated surfaces. It can be spread by people who do not have symptoms (asymptomatic). They may still be able to infect others, so it’s important to practise good hand hygiene when in contact with someone who has been exposed to COVID-19.

People wearing surgical masks or P2 masks can help contain the spread of COVID-19. When possible, avoid close contact with infected individuals by keeping a distance of at least 6 feet away from them for up to three days after the last possible exposure.

Who Is at Greatest Risk of Becoming Severely Ill From COVID-19?

The most common risk factors are:

  • Age: Older adults and the very young may be at higher risk.
  • Immune status: People who have a weakened immune system are also at increased risk. These include those with cancer, transplant recipients and people on chemotherapy or taking immunosuppressants (medications) following an organ transplant.
  • Pregnancy: Women who are pregnant should avoid close contact with anyone who has confirmed COVID-19 infection or who has had symptoms of COVID-19 infection within 14 days before the onset of their illness. This is because they can pass it to their unborn child through the placenta.

Although studies have shown that transmission from mother to infant does not occur during pregnancy, there is concern that infections acquired during pregnancy could lead to preterm labour and delivery complications for infants born prematurely.

  • Medical conditions associated with severe respiratory tract infections: Chronic heart disease, diabetes mellitus (type 1 or type 2), and chronic lung diseases such as asthma or COPD (chronic obstructive pulmonary disease). As such, the elderly population is more susceptible due to age-related changes in immunity.

What to Do If I’ve Been Exposed to Someone With COVID-19

If you have been exposed to someone with COVID-19, take a rapid antigen test. If the test is positive, isolate yourself at home and then consult a doctor immediately.

Social distancing is recommended if you think you may be infected:

  • Avoid crowded places like airports, grocery stores, schools and theatres.
  • Do not travel on public transportation or visit friends who live in areas where the virus has been reported.
  • Wash your hands frequently.
  • Avoid touching your face and eyes with unwashed hands.
  • Stay home if you are sick until at least 21 days after you recover from any symptoms of a sickness caused by COVID-19 infection.

Can a Mask Prevent COVID-19 From Spreading?

Yes, a surgical mask or P2 mask can help prevent COVID-19 from spreading. You can buy a surgical mask or P2 mask from a pharmacy or medical supplies store.

You should wear a surgical mask or P2 mask for at least 3 days after you have recovered from COVID-19, but ideally until all symptoms have cleared up completely. You should also consider getting fitted for new glasses if your vision has worsened since wearing the masks began to get irritating on your eyes and nose.

Prevention is key when it comes to COVID-19. Wear a mask, wash your hands and practise social distancing. This means avoiding close contact with people who are sick. It also means washing your hands frequently and wearing a surgical mask when in public.

If you have been exposed to COVID-19, there are no specific medications that will cure it, but antiviral drugs may help your body fight it off.

If you're not sure whether you've been exposed to COVID-19, check out these symptoms: fever higher than 38 degrees Celsius, cough or shortness of breath with lung damage (pneumonia) and bleeding from the nose or gums—all signs that indicate an infection has occurred somewhere nearby within their bodies.

Dexcon | Leading Medical Device and PPE Supplier in Australia

Wearing face masks helps prevent the spread of COVID-19. And if you suspect that you or someone else in your family has contracted COVID-19, be sure to get your rapid antigen kit.

Dexcon is a leading PPE and medical device solutions, consulting and procurement company in Australasia. We supply premium medical devices and personal protection products, including rapid antigen tests and surgical masks, for the medical, industrial and retail sectors in Australia and around the world.

For enquiries and orders, contact us today.


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