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Table 1 HA-specific antibody titers measured by ELISA (Total IgG) or HAI in pooled sera and BAL of immunized mice

From: Intramuscular immunization of mice with live influenza virus is more immunogenic and offers greater protection than immunization with inactivated virus

    IM vaccine type IN infection
Test Sample Day post vaccination Inactivated Live Live
ELISA (Total IgG) Serum 0 <25 <25 <25
   7 <25 <25 <25
   28 400 800 100
   7 days post-boost 800 1600 400
   28 days post-boost 800 1600 800
  BAL 0 <2 <2 <2
   7 <2 <2 <2
   28 16 64 32
   7 days post-boost 32 64 64
   28 days post-boost 16 64 64
HAI Serum 0 <4 <4 <4
   7 16 16 <4
   28 64 256 256
   7 days post-boost 128 256 128
   28 days post-boost 128 512 128