smallpox vaccine needle

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
smallpox vaccine needle	0.04	0.8	7072	68	23
smallpox	0.69	0.6	8226	68	8
vaccine	0.31	0.4	3701	57	7
needle	1.34	0.5	8022	41	6

Keyword	CPC	PCC	Volume	Score
smallpox vaccine needle	0.14	0.9	9860	81
smallpox vaccine needle 1970	1.63	0.6	7948	84
smallpox vaccine bifurcated needle	0.88	0.5	3792	51
smallpox vaccine in 1960s	1.13	0.3	3481	78
vaccine for smallpox history	1.11	0.6	3830	42
developed a smallpox vaccine	1.5	0.2	9350	96
when was the smallpox vaccine	0.94	1	3815	68
when was the smallpox vaccine made	0.86	0.1	288	94
when was the vaccine for smallpox created	1.06	0.7	5387	94
when was the smallpox vaccine introduced	0.83	0.8	1035	7
created the smallpox vaccine	1.43	0.8	3525	64
how was the smallpox vaccine discovered	1.84	0.8	3928	45
what year was the smallpox vaccine	1.04	0.9	1751	79
when was the smallpox vaccine developed	1.68	0.5	8660	15
developed a vaccine for smallpox in 1796	1.57	0.6	51	20
when smallpox vaccine invented	1.27	0.5	1257	28
when smallpox vaccine created	0.99	0.2	2410	29
the history of smallpox vaccination	0.71	0.5	4679	97