Asymptotic Properties of a Hepatitis B Virus Infection Model with Time Delay

Table 1

Rapid deline in plasma virus: mean HBV DNA levels (log copies/ml) in response to the therapy, and the virus level returning rapidly after the treatment was stopped.

Week	0	1	2	4	6	8	12	18
Patient Nos.	272	272	272	267	267	267	267	267
Virus load	9.8	7.8	6.6	5.6	5.1	4.8	4.4	4.3
Week	24	30	36	42	48	52	60	72
Patient Nos.	263	263	259	260	249	248	228	241
Virus load	4.2	4.0	4.15	4.2	4.5	7.0	8.0	8.20