TABLE 1.

Scoring system for i.p. infected mice^a

Score	Condition producing the indicated score
	Condition of fur	General condition
0	No signs of ruffled fur	No signs
1	Ruffled fur between ears	Tiredness
2	Ruffled fur on back	Distended abdomen, tiredness
3	Ruffled fur all over	Bloated body, hunched posture or physical wound, trembling because of pain, lethargy
4	Death	Death

^aMice were assessed every 2 days for the presence of changes in fur and general condition. Scores for the condition of the fur and the general condition were added up to obtain a combined score value.