where did h1n1 originate

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
where did h1n1 originate	1.36	0.4	4156	26	24
where	0.58	0.9	1718	69	5
did	1.38	0.9	9058	2	3
h1n1	1.5	1	985	34	4
originate	1.59	0.4	9691	61	9

Keyword	CPC	PCC	Volume	Score
where did h1n1 originate	1.08	0.9	5259	95
where did the h1n1 virus originate	1.43	0.3	5183	89
h1n1 originates in	1.54	0.9	1948	45
where is h1n1 believed to have originated	0.22	0.1	261	11
where is h1n1 originated from	1.31	0.6	2392	8
what year was h1n1	1.93	1	7952	56
when did h1n1 come out	1.99	0.7	9049	17
why is it called h1n1	0.31	0.4	8858	40
what year was h1n1 outbreak	0.35	0.3	461	22
h1n1 in the united states	1.89	0.4	6075	14
what year was h1n1 epidemic	1.66	0.1	6858	87
what was the h1n1 virus	0.57	0.1	4747	81
when was the h1n1 outbreak	1.91	0.5	7185	16
what is h1n1 virus wikipedia	0.31	0.7	3933	72
when was the h1n1 pandemic	1.39	0.5	2410	27
what is h1n1 disease	0.68	0.3	3361	72
history of h5n1 virus	1.68	0.6	153	37
h1n1 virus with genes of avian origin	0.44	0.5	7927	19
h1n1 in the news	0.71	0.5	2660	35