Weight change after MCMV infection and MCMV serology testing.

<p>MCMV infection was done by <i>intraperitoneal</i> injection of 3×10⁴ PFU purified Smith strain in naive BALB/c mice and another set of mice were mock infected as control. (A) Weight change was monitored following infection for 25 weeks; n per group = 28 (MCMV) and 24 (mock); Data are presented as mean. (B) 25 weeks following infection, animals were analyzed for anti-MCMV IgG seropositivity as indicator for MCMV infection. Data shown present the index value with ≥1 determined as positive, data points for individual mice are shown.