Table 2.

Knowledge of the studied groups (N = 3712) about COVID-19

Knowledge	No	%		No	%
Have you heard about COVID-19	3712	100.0	Is there a vaccine for COVID-19?
Cause of COVID-19:			Yes	56	1.5
Virus	3712	100.0	No	3512	94.6
Bacteria	–	–	I don’t know	144	3.9
Parasites	–	–	Seasonal influenza vaccine can be used against COVID-19
Immune deficiency	–	–	Yes	96	2.6
I don’t know	–	–	No	3420	92.1
Mode of transmission:			I don’t know	196	5.3
Cough and sneezing	3581	96.5	Is there a treatment for COVID-19?
Parenteral	872	23.5	Yes	168	4.5
Meat and milk	328	8.8	No	3448	92.9
Infected hands	1464	39.4	I don’t know	96	2.6
Infected surfaces	1563	42.1	Does isolation of cases helps be treated
I don’t know	44	1.2	Yes	3544	95.5
Symptoms of COVID-19:			No	112	3.0
Fever	3628	97.7	I don’t know	56	1.5
Dry cough and difficult breathing	320	86.4	Is COVID-19 patients can be treated at home
No fever	1368	36.9	Yes	108	2.9
Diarrhea	968	26.1	No	3468	93.4
Incubation period:			I don’t know	136	3.7
<2 days	64	1.7	How to prevent COVID-19*	3712	100.0
2–14 days	3268	88.0	Sources of information:
>14 days	380	10.2	TV	1304	35.1
At risk people			Social media	3000	80.8
Old people	2816	75.9	Friends	376	10.1
Patients with chronic diseases	1292	34.8	Physicians	235	6.3
Immuno-deficient patients	752	20.2
Travelers to infected regions	472	12.7
Pregnant women	452	12.2
Contacts of infected cases	1592	42.9
I don’t know	768	21.2
Is COVID-19 infectious	3712	100.0
Is early diagnosis essential to decrease complications
Yes	3584	96.6
No	52	1.4
I don’t know	76	2.0

^*Hand washing with soap and water, disinfection of hands with alcohol, avoid touching eyes and nose, avoid contact with infected patients.