Table 3.

Distribution of confirmed cVDPV1 cases by date of shipment and receiving result, Saadah governorate, Yemen 2020

Detected cases and contacts		Sample Shipment				Time delay in days from SC to SSH	lab Result			Time delay in days from SC to RLR
		No. of cases	Date	Month	Dif. days	Average days (Min–Max)	VP1 nucleotide changes vs # Sabin 1	Date	Month	Average days (Min–Max)
Year 2020	Case 1	1	24–03-20	Mar	0	47	20	27–04-20	April	81
	Cases 2–16	15	24–06-20	June	92	72 (16–110)	21 (17–24)	23–07-20	July	112 (71–196)
	cases 17–27	11	10–10-20	Oct	108	88(49–111)	23 (17–27)	24–12-20	Dec	159 (71–186)
	Case 28	1	27–12-20	Dec	78	79	20	21–01-21	Jan	86 (82–90)
	Cases 29–30	2	09–02-21	Feb	44	52 (48–56	28 (26–30)	15–03-21	Mar	90
	Overall					76 (16–111)	22 (17–30)			126( 71–196)
2019	Case 0	1	30–09-19	Sep	0	85	Neg	16–03-20	Mar	253
	Contacts case 0	2	30–01-20	Jan	122	204	13	12–07-20	July	368

Dif. difference, SC sample collection, SSH sample shipment, RLR Received lab result