Table 2.

Knowledge of participants about COVID-19 in a survey from Iran, 2020

No	Item	Completely correct n (%)	Incompletely correct n (%)	Completely incorrect n (%)	Don’t know n (%)
K1	Is it possible that someone gets COVID-19, while being asymptomatic?	815 (61.2)	–	290 (21.8)	208 (15.6)
K2	After being infected with COVID-19, how many days does it take to show its symptoms?	834 (62.7)	4 (0.3)	172 (12.9)	289 (21.7)
K3	What are the transmission routes of COVID-19?	767 (57.6)	536 (40.3)	3 (0.2)	14 (1.1)
K4	What are the preventive routes of infection by COVID-19?	663 (49.8)	650 (48.8)	1 (0.1)	3 (0.2)
K5	Which symptoms of COVID-19 are more frequent?	64 (4.8)	1170 (87.9)	60 (4.5)	16 (1.2)
K6	In terms of COVID-19, what are the warning signs for going to the hospital?	97 (7.3)	945 (71)	236 (17.7)	33 (2.5)
K7	What phone number you call, if you have any questions about COVID-19?	362 (27.2)	0 (0)	377 (28.3)	443 (33.3)
K8	Which groups of people are at higher risk for mortality following getting COVID-19?	917 (68.9)	383 (28.8)	5 (0.4)	13 (1.0)
K9	How the hands should be washed properly?	985 (74)	0 (0)	294 (22.1)	23 (1.7)
K10	What is the minimum time for proper hand washing?	802 (60.3)	0 (0)	418 (31.4)	66 (5.0)
K11	Do you know the different types of face masks and their uses?	209 (15.7)	687 (51.6)	–	355 (26.7)
K12	How long can you leave a mask on your face?	948 (71.2)	136 (10.2)	145 (10.9)	72 (5.4)
K13	How a face mask should be worn properly?	996 (74.8)	–	–	287 (21.6)
K14	How a used face mask should be disposed properly?	849 (63.8)	–	–	453 (34)
K15	How a used glove should be disposed properly?	837 (62.9)	–	–	463 (34.8)
K16	How COVID-19 patients should be cared at home?	817 (61.4)	–	–	479 (36)
K17	Is the flu vaccine protective against COVID-19?	576 (43.3)	–	96 (7.2)	494 (37.1)