TABLE 1.

Questionnaire.

1. Basic epidemiological data

Age, years

Sex

Type of care activity

A. Intensive care or first aid doctor

B. Hospital internal medicine physicians

C. Dentistry

D. Doctor working with discharged patients during the pandemic

E. General practitioner and pediatrician

F. Outpatient specialist

G. Other

2. Did you receive the swab for COVID-19?

3. If yes, indicate the result among these:

Positive

Negative

4. Did you receive the serological examination for COVID-19?

5. If yes, indicate the result among these:

Negative

Positive only for IgM

Positive only for IgG

Positive for both IgM and IgG

6. Have you been infected by the new SARS-CoV2? (answer yes only in case of positive swab and/or serology)

7. If yes, indicate the clinical feature among the following:

Asymptomatic form

Pauci-symptomatic form (fever> 37.5°, cough, and cooling symptoms)

Pneumonia and/or respiratory distress

8. Did you receive BCG vaccine?

9. If yes, indicate the year of execution of the vaccine (if you do not remember the year, indicate the year of enrolment in the degree course)