Table 2.

Patient's vaccination and disease history.

Have you ever been vaccinated for pneumonia before? N (%)	Yes	148 (34.9%)
	No	253 (59.7%)
	I do not remember	23 (5.4%)
Have you ever been vaccinated for influenza before? N (%)	Yes	155 (36.6%)
	No	261 (61.6%)
	I do not remember	8 (1.9%)
Have you ever been vaccinated for COVID-19 before? N (%)	Yes	312 (73.6%)
	No	112 (26.4%)
Have you ever had COVID-19 infection before?	Yes	84 (19.8%)
	No	340 (80.2%)
Have you ever had pneumonia?	Yes	44 (10.4%)
	No	380 (89.6%)