Coronavirus disease 2019 also referred to as COVID-19 is a new infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that belongs to the coronavirus family. The first case was reported in December 2019, and the disease has become a pandemic. Impaired immune regulation is one of the factors that play a role in its pathogenesis and results in poor outcomes of COVID-19 patients.

Among infected patients, COVID-19 shows various unspecific symptoms, ranging from mild to severe. Reports have indicated that fever (98%) is the most frequent manifestation that is reported by patients, followed by cough (76%), fatigue (44%), and headache (8%). Also, some fatal cases have been reported in certain patients experiencing progressive respiratory failure due to the virus activity that attacks the respiratory system.

The best way to prevent illness is to avoid being exposed to this virus. Learn how COVID-19 spreads and practice these actions to help prevent the spread of this illness.

  • Wear a mask to protect yourself and others and stop the spread of COVID-19.
  • Stay at least 6 feet (about 2 arm lengths) from others who don’t live with you.
  • Avoid crowds and poorly ventilated spaces. The more people you are in contact with, the more likely you are to be exposed to COVID-19.
  • Clean your hands often, either with soap and water for 20 seconds or a hand sanitizer that contains at least 60% alcohol.
  • Avoid close contact with people who are sick.
  • Clean and disinfect frequently touched objects and surfaces daily.
  • Monitor your health daily.

Your immune system is your body’s defense system. When a harmful invader — like a cold or flu virus, or the coronavirus that causes COVID-19 — gets into your body, your immune system mounts an attack. Known as an immune response, this attack is a sequence of events that involves various cells and unfolds over time.

Following general health guidelines is the best step you can take toward keeping your immune system strong and healthy. Every part of your body, including your immune system, functions better when protected from environmental assaults and bolstered by healthy-living strategies.

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