TABLE 4.

P. carinii DNA in immunosuppressed wild rats

Rat sample no.	Date of capture (day-mo-yr)	No. of days in captivity	Sexa	Wt at capture (g)	Presence of DNA fromb:
					Any P. carinii by PCR		Known types by specific nested PCR
					Single round (H + E)	Nested (X + Z)	carinii (RC1 + RC2)	ratti (RR1 + RR2)
WR2653	30-Oct-97	9	F	83.0	+	+	+	+
WR2661	6-Nov-97	46	M	277.8	+	+	+	+
WR2665	11-Nov-97	41	F	117.0	−	+	+	+
WR2715	7-Jan-98	13	F	308.7	−	+	+	+
WR2722	13-Jan-98	48	F	199.0	+	+	+	+c
WR2724	15-Jan-98	38	F	230.6	+	+	+	+

^aF, female; M, male. 

^b+, present; −, absent; H, primer pAZ102-H; E, primer pAZ102-E; X, primer pAZ102-X/RI; Z, primer pAZ102-Z/RI. 

^cA very low level of P. carinii f. sp. ratti DNA was detected.