Covid-19 Disease

Coronaviruses are a group of viruses that can cause illnesses such as the common cold, severe acute respiratory syndrome (SARS), and Middle East respiratory syndrome (MERS). A new type of coronavirus has been discovered after it was identified as the cause of a disease that began in China in 2019.


Symptoms of Covid-19 disease

Signs and symptoms of COVID-19 may appear 2 to 14 days after exposure. The period after exposure to the virus and before symptoms appear is called the incubation period. Common signs and symptoms may include:

  • Fever
  • Cough
  • I feel tired

Early symptoms of COVID-19 may include loss of taste or smell.

Other symptoms of the disease include:

Shortness of breath or difficulty breathing

  • muscle pain
  • The scream of terror
  • Sore throat
  • Runny nose
  • Headache
  • pain in chest

Eye redness (conjunctivitis)


  • vomiting
  • Diarrhea
  • Skin rash


This is elderly, and the risks increase with age. People with other medical conditions may be more susceptible to disease. Certain conditions may increase your risk of developing severe symptoms from COVID-19, including:

Serious heart diseases, such as heart failure, coronary artery disease, or cardiomyopathy

  • cancer

Chronic pulmonary obstruction

  • Having type 1 or type 2 diabetes
  • obesity
  • Hypertension
  • smoking

Chronic kidney failure

Sickle cell disease or thalassemia

  • Weakened immune system due to solid organ transplantation
  • Pregnancy


  • Chronic lung diseases such as cystic fibrosis or pulmonary fibrosis
  • Liver diseases
  • mental illness
  • Down’s syndrome
  • Weakened immune system caused by bone marrow transplantation, HIV, or certain medications
  • Diseases related to the brain and nervous system
  • Medication use disorders

How does COVID-19 spread?

The virus can spread from the mouth or nose of an infected person, in tiny droplets when they cough, sneeze, talk, sing, or breathe. The size of these respiratory droplets range from large to small, and an infected person can be a spreader of the infection, whether or not they have symptoms.

A person may become infected by touching the mouth, nose, or eyes after touching surfaces contaminated with the virus.



  • Avoid close contact (2 meters) with anyone
  • Avoid crowds and closed places with poor ventilation
  • Hands should be washed frequently with soap and water or a hand sanitizer containing at least 60% alcohol.
  • Wear a mask in closed and open public places where the risk of transmission is high
  • The mouth and nose should be covered with an elbow or tissue when coughing or sneezing. Dispose of the tissue after using it. And wash your hands right away.
  • Avoid touching the eyes, nose, and mouth.
  • Avoid sharing dishes, drinking glasses, towels, bedding, and other household items if you are sick.
  • Clean and disinfect frequently touched surfaces daily


Are COVID-19 vaccines safe?

Yes, and while COVID-19 vaccines are being developed at full speed, they must necessarily undergo rigorous testing in clinical trials to prove that they meet internationally agreed standards for safety and efficacy. A vaccine cannot be approved by the World Health Organization and national regulatory agencies unless it meets these criteria.

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