Anthony J Wilsmore

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The protection afforded by an experimental, killed, adjuvanted vaccine derived from the A22 strain of Chlamydia psittaci (ovis) against ovine enzootic abortion was studied. The vaccine was used(More)
Fifty ewes were randomly divided into four groups. Groups A and B were vaccinated with an experimental vaccine derived from the A22 isolate of Chlamydia psittaci (ovis), an isolate known to cause(More)