TABLE 1.
Strain | HI titer in mouse no.: |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
D/5920a | 120 | 80 | 80 | 15 | 160 | 240 | 240 | 120 | 60 | 120 |
D/Nebb | 20 | 20 | 20 | 20 | 20 | 40 | 40 | 40 | 20 | 20 |
D/5920, D/bovine/France/5920/2014.
D/Neb, D/bovine/Nebraska/9-5/2012. HI assays were performed with viral inoculum (D/5920) and a genetically and antigenically distinct strain of IDV (D/Neb). All noninfected mice did not seroconvert after IDV infection (data not shown).