ballum



History of serovar:

Borg-Peterson (1944) isolated the srain Mus 127 from the urine of a field-house mouse (Mus musculus spicilegus), and described it as a new serov ballum. It appears in the serovar list of 1959 (WHO, 1959). The strain was submited to factor analysis by Kmety (1967), which confirmed its separate serological status.


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