Table 3.

Sensitivity of different detection methods for WBE.

S. No	Sensitivity	Method Used	Reference
1	2.9–4.6 genome copies/reaction	RT-dPCR	[83]
2	0.066 copies/μL	Reverse transcription-droplet digital PCR (RT-ddPCR)	[84]
3	25 × 102 copies/μL	RT-ddPCR	[85]
4	0.4 copies/μL	Reverse transcriptase loop-mediated isothermal amplification (RT-LAMP)	[86]
5	0.31 × 10−3 ng/μL	RT-LAMP	[87]
6	0.0093–9.3 copies/μL	RT-LAMP	[88]
7	105 copies/μL	Nested PCR	[89]
8	1.67 plaque forming units (PFU)	NESTED PCR	[90]
9	7.8 × 103 viruses/liter	NESTED PCR	[10]
10	2.4 × 103 viruses/liter	NESTED PCR	[91]