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. 2022 Apr 6;128:108693. doi: 10.1016/j.patcog.2022.108693

Table 1.

People classification based on their vulnerability level to Covid-19.

Type Description Risk level Treatment Case

Type A
  • No Symptoms (NS)

  • Low

  • To eliminate virus spread, persons of Type A need continuous follow-up and periodic examination, where he /she may be infected with Corona, despite the absence of symptoms.

  • By making sure of constant observation, a person of type A can be allowed to be in crowded places.

  • It is preferred to receive the vaccine if it is available.

Asymptomatic
Type B
  • Simple Symptoms, No Deteriorate (SSND)

  • No need for continuous follow-up, but Home isolation is necessary as soon as symptoms appear.

  • A person of type B can be allowed to be in crowded places.

  • Simple patient treatments can be followed whenever the symptoms appear.

  • It is preferred to receive the vaccine if it is available.

Symptomatic
Type C
  • Simple Symptoms, But Deteriorate (SSBD)

  • Medium

  • The same treatments as SSND, but more serious patient treatments can be followed whenever the symptoms appear.

Type D
  • Medium Symptoms (MS)

  • Precautionary measures must be applied, such as staying at home.

  • A person of type D is not allowed to be in crowded places.

  • Serious patient treatments can be followed whenever the symptoms appear.

  • For persons of type D, Vaccination is recommended.

Type E
  • High Symptoms (HS)

  • High

  • Persons of Type E (or F) must receive the vaccine as soon as possible.

  • Strict precautionary measures must be applied, he/she must staying at home.