Table 3.

Testing result for scenario 2 and scenario 3 for all Models

	Class	Scenario 2		Scenario 3
		Sn	Sp	Sn	Sp
AlexNet	Bacteria	92.98	95.48	73.55	84.08
	Covid-19	93.15	99.20	90.41	98.89
	Normal	42.74	77.33	34.19	74.84
	Viral	69.59	90.98	43.24	81.29
Google-Net	Bacteria	90.50	94.74	89.26	92.40
	Covid-19	76.71	97.35	93.15	99.20
	Normal	44.44	78.04	59.40	82.21
	Viral	83.11	94.06	8.78	77.12
Vgg16	Bacteria	95.45	96.89	80.58	86.46
	Covid-19	82.19	97.95	89.04	98.72
	Normal	37.61	75.75	49.15	78.98
	Viral	77.03	93.20	12.16	76.58
Vgg19	Bacteria	92.15	96.89	80.58	87.73
	Covid-19	80.82	97.80	90.41	98.89
	Normal	43.16	77.53	74.79	87.55
	Viral	69.59	90.76	12.84	78.68
ResNet-18	Bacteria	94.63	96.45	75.62	83.70
	Covid-19	93.15	99.20	93.15	99.21
	Normal	59.40	82.85	44.02	77.72
	Viral	58.78	88.85	20.27	76.95
ResNet-50	Bacteria	92.56	95.45	82.23	90.14
	Covid-19	94.52	99.36	94.52	99.36
	Normal	46.15	78.50	71.37	86.84
	Viral	75.68	92.52	59.46	88.55
ResNet-101	Bacteria	95.87	97.20	88.84	92.86
	Covid-19	91.78	99.04	95.89	99.50
	Normal	44.44	77.89	29.91	73.63
	Viral	65.54	90.17	44.59	83.16
Inception V3	Bacteria	96.69	98.01	90.50	93.52
	Covid-19	94.52	99.36	95.89	99.52
	Normal	59.83	82.97	65.38	84.97
	Viral	76.35	93.12	29.05	8158
InceptionResNetv2	Bacteria	81.40	90.63	93.39	95.42
	Covid-19	95.89	99.52	94.52	99.35
	Normal	76.07	88.82	64.53	84.69
	Viral	83.11	94.85	37.84	84.19
Squeeze Net	Bacteria	98.35	98.73	54.55	76.94
	Covid-19	93.15	99.20	94.52	99.35
	Normal	38.03	76.03	51.71	79.89
	Viral	51.35	86.76	43.24	80.69
Dense-Net 201	Bacteria	94.21	96.50	72.31	82.18
	Covid-19	93.15	99.21	97.26	99.69
	Normal	54.70	81.21	38.78	74.20
	Viral	66.22	89.96	13.91	75.93
Xception	Bacteria	97.11	98.34	95.87	97.38
	Covid-19	94.52	99.36	94.52	99.39
	Normal	66.67	85.45	24.71	70.05
	Viral	82.43	94.85	38.41	80.82
CNN-X (Our)	Bacteria	94.21	95.78	83.47	89.25
	Covid-19	91.78	99.05	94.52	99.35
	Normal	33.33	74.43	44.44	77.70
	Viral	58.11	88.08	39.86	82.89