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Keyword	CPC	PCC	Volume	Length string	Score
what is yellow fever	0.8	0.1	8382	20	60
what is yellow fever vaccine	0.53	0.9	2010	28	74
what is yellow fever caused by	1.74	0.2	3520	30	38
what is yellow fever slang	0.32	0.9	4924	26	54
what is yellow fever asian	0.19	1	330	26	32
what is yellow fever vaccine called	0.84	0.4	536	35	10
what is yellow fever 1793	0.68	0.6	3290	25	92
what is yellow fever virus	1.1	0.3	6592	26	48
what is yellow fever yf	0.93	0.2	3182	23	64
what is yellow fever symptoms	0.39	0.2	2277	29	55
what is yellow fever certificate	1.57	0.1	8681	32	82
what is yellow fever disease	0.48	0.5	2378	28	100
what is yellow fever contracted by	0.93	0.3	3909	34	43
what is yellow fever urban dictionary	0.03	0.6	3272	37	28
cdc yellow fever	0.94	0.9	5236	16	30
side effects of yellow fever vaccine	1.97	0.6	9301	36	79
how long does yellow fever vaccine last for	0.56	0.4	8400	43	64
cdc yellow fever vaccine	1.35	0.4	9512	24	41
symptoms of yellow fever	0.92	1	6919	24	92
liteortica yellow fever	1.34	0.6	7587	23	17
how long is yellow fever vaccine valid for	0.51	0.4	8137	42	52
history of yellow fever	0.63	0.2	5153	23	78
yellow fever asian	1.44	0.2	617	18	5
yellow fever definition us history	0.27	1	1793	34	26

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