Hepatitis A: Viral Structure, Classification, Life Cycle, Clinical Symptoms, Diagnosis Error, and Vaccination

Table 1

HAV distribution rates per 100,000 population by age groups in the recent years based on CDC reports.

Age	Years
	2016	2017	2018	2019	2020
0–19	0.4	0.3	0.7	0.9	0.3
20–39	1.8	3.5	15.9	22.4	10.9
40–59	1.5	2.7	10.1	16.6	9.5
≥60	0.6	0.7	1.4	2.3	1.4