how long did the polio vaccine take

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how long did the polio vaccine take	1.73	0.3	6610	77	35
how	1.43	0.7	5729	77	3
long	0.83	0.1	8907	51	4
did	0.93	0.6	359	72	3
the	0.28	0.9	9333	80	3
polio	1.68	0.9	6554	81	5
vaccine	0.57	0.4	3675	3	7
take	0.29	1	3113	68	4

Keyword	CPC	PCC	Volume	Score
how long did the polio vaccine take to make	0.62	0.1	1996	32
how long did the polio vaccine take	1.75	0.5	3601	24
how long did it take to develop polio vaccine	1.68	0.4	6559	66
how long did it take for the polio vaccine	1.05	0.4	4691	99
how long did it take to create polio vaccine	0.43	0.8	6705	53
how long did it take to get a polio vaccine	1.81	0.2	4326	51
how long did it take to make a polio vaccine	1.19	0.8	4422	21
how long to develop the polio vaccine	1.22	0.1	1058	98
how long to develop polio vaccination	1.29	0.8	1962	85
how long was the polio vaccine tested	0.77	0.5	7424	2
how was the polio vaccine	1.55	0.6	5586	68
how was the polio vaccine developed	1.42	0.6	4149	84
how long per each polio vaccine	0.04	1	6854	93
how was the polio vaccine created	0.9	0.9	4951	43
how was the polio vaccine made	1.51	0.8	9309	34
development of the polio vaccine	0.48	0.7	7354	59
creation of polio vaccine	0.68	0.3	5201	83
polio vaccine invention timeline	1.6	0.5	378	2