when was tetanus shots made

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was tetanus shots made	1.98	0.5	3859	18	27
when	1	0.9	5603	97	4
was	1.55	0.3	7705	8	3
tetanus	1.96	1	7505	32	7
shots	1.03	0.2	7833	56	5
made	0.45	0.9	5724	70	4

Keyword	CPC	PCC	Volume	Score
when was tetanus shots made	1.45	0.2	9688	97
what are tetanus shots made for	0.53	0.4	350	7
how are tetanus shots made	1.23	1	544	10
when was the tetanus vaccine introduced	0.75	1	5914	65
when did the tetanus vaccine come out	0.03	0.7	9529	97
when was tetanus vaccine developed	0.7	0.3	4250	9
when was the tetanus vaccine invented	0.12	0.5	2541	84
history of tetanus vaccine	1.17	0.3	6458	45
vaccine developed year of tetanus	0.95	0.7	6538	97
how was the tetanus vaccine created	1.3	0.5	5190	21
tetanus vaccine name and history	1.44	0.9	3957	53
timeline for tetanus shot	0.11	0.2	1804	34
when is first tetanus shot given	0.06	0.4	2013	67
who invented tetanus vaccine	1.09	0.5	7159	4
history of tetanus vaccine development	0.5	0.8	7667	86
who developed the vaccine for tetanus	0.99	1	8253	5
who discovered the tetanus vaccine	0.68	0.4	1807	50
tetanus injection time period	1.28	0.7	1661	62