Prior exposure to an attenuated Listeria vaccine does not reduce immunogenicity: pre-clinical assessment of the efficacy of a Listeriavaccine in the induction of immune responses against HIV

Table 1 Serum Anti-Listeria IgG ELISA Titers (whole Listeria).

Groups	Weeks after Lmdd-HIV-*gag*immunization
Naive	0	6	12	19	21	23	33	34
RAm-9	200	200	200	200	200	200	200	400
RHm-9	200	200	200	200	200	200	200	200
Vector Control
RSg-8	200	400	400	400	400	400	400	800
RUg-8	200	200	200	400	800	800	800	800
RMh-8	400	400	400	400	800	400	400	400

Lmdd-HIV-gag plasma IgG titers at time points post immunization (0, 6, and 19 weeks). ELISAs were conducted using whole fixed Lm strain 12443, as described [17].