Top Search Keywords (External)

October 2008 - June 2009

Analysis: Below are the top 200 search keywords used while on external search engines such as Google, Yahoo or MSN. The ranked data below represents the specific keywords used on those search engines which led them to a CDC.gov page.

As of FY09 (Q3), "CDC" and "swine flu" were the top two search terms used by external search engines. Other newly used search terms included "swine flu symptoms" and "influenza porcina." 47% of the top remaining 20 search terms were STD related keywords used by visitors on external search engines who then arrived on a CDC.gov page.

Rank	Keywords (External)	Searches
1	cdc	4,439,106
2	swine flu	1,350,215
3	herpes	1,320,881
4	enfermedades de transmision sexual	1,298,348
5	hpv	988,462
6	chlamydia	892,220
7	swine flu symptoms	753,775
8	cdc.gov	650,855
9	std	622,789
10	gonorrhea	558,327
11	center for disease control	516,989
12	syphilis	482,294
13	sifilis	410,150
14	genital herpes	403,096
15	stds	325,094
16	gonorrea	318,008
17	scabies	317,689
18	influenza porcina	294,473
19	niosh	269,092
20	sexually transmitted diseases	264,320
21	flu	236,261
22	symptoms of swine flu	226,741
23	trichomoniasis	225,745
24	bmi	225,051
25	bmi calculator	217,805
26	lyme disease	211,425
27	rsv	209,936
28	bacterial vaginosis	203,497
29	clamidia	201,221
30	norovirus	199,591
31	meningitis	194,972
32	influenza	192,553
33	cdc swine flu	179,099
34	hand foot and mouth disease	174,489
35	herpes genital	174,234
36	salmonella	166,597
37	mrsa	157,820
38	centers for disease control	155,679
39	fetal alcohol syndrome	154,847
40	hiv	153,600
41	hepatitis b	152,562
42	h1n1 symptoms	147,241
43	birth certificate	147,048
44	chronic fatigue syndrome	146,660
45	giardia	143,931
46	rabies	143,215
47	flu symptoms	140,970
48	obesity	140,609
49	gripe porcina	133,632
50	lyme disease symptoms	132,736
51	std's	125,675
52	hepatitis c	122,605
53	www.cdc.gov	114,780
54	enfermedades sexuales	113,190
55	cdc website	112,439
56	malaria	107,400
57	pelvic inflammatory disease	106,708
58	viral meningitis	106,304
59	tuberculosis	104,744
60	national center for health statistics	101,584
61	hpv in men	101,343
62	hpv virus in women	98,621
63	hpv vaccine	97,259
64	cdc.com	97,059
65	rocky mountain spotted fever	95,871
66	adhd	94,653
67	h1n1	92,099
68	tricomoniasis	90,094
69	human papilloma virus	86,490
70	body mass index	86,364
71	mmwr	84,126
72	cholera	83,480
73	bird flu	82,509
74	cdc travel	82,185
75	pid	80,571
76	hepatitis	79,709
77	flu shot	77,895
78	hpv virus	75,975
79	flu more:condition_symptoms	75,765
80	childhood obesity	75,073
81	shingles vaccine	74,328
82	sars	74,115
83	ebola	73,575
84	adhd symptoms	73,567
85	west nile virus	72,822
86	leptospirosis	71,211
87	nhanes	67,628
88	growth chart	65,784
89	smallpox	65,175
90	cdc atlanta	64,426
91	enfermedades de transmisión sexual	64,334
92	tb	64,160
93	bv	63,304
94	trichomonas	62,777
95	life expectancy	61,548
96	flu shot side effects	61,276
97	cdc flu	60,689
98	avian flu	59,087
99	enfermedades de transmicion sexual	58,492
100	dengue fever	58,166
101	enfermedades	57,012
102	centers for disease control and prevention	56,219
103	toxoplasmosis	56,044
104	hiv transmission	55,294
105	yellow fever	54,827
106	chlamydia symptoms	54,770
107	diseases	53,382
108	bacterial meningitis	53,093
109	vre	52,680
110	birth certificates	52,000
111	swine flu update	51,369
112	fifth disease	50,378
113	flu shots	49,581
114	scarlet fever	49,142
115	mold	48,144
116	heart disease	47,663
117	adhd more:condition_symptoms	45,864
118	hand foot mouth disease	45,697
119	cdc growth charts	45,247
120	hantavirus	43,778
121	west nile virus symptoms	43,344
122	immunizations	43,192
123	h1n1 virus	42,520
124	diabetes	41,949
125	flu vaccine	41,932
126	tobacco	41,703
127	child development	41,638
128	atsdr	41,581
129	norwalk virus	41,063
130	breast cancer statistics	40,539
131	autism	40,254
132	vaginosis	40,021
133	growth charts	39,567
134	influenza symptoms	39,364
135	hepatitis a	39,235
136	typhoid fever	39,118
137	brfss	38,508
138	rotavirus	37,978
139	nchs	37,941
140	obesity statistics	37,544
141	genital warts	37,344
142	chronic diarrhea	37,274
143	hand foot and mouth	37,252
144	symptoms of chlamydia	37,085
145	epi info	36,709
146	flu map	36,628
147	vaccinations	36,627
148	cmv	36,600
149	hiv/aids	36,271
150	aids statistics	36,182
151	fiebre porcina	35,449
152	vph	35,261
153	peanut butter recall 2008	34,987
154	cat scratch fever	34,866
155	center of disease control	34,297
156	hanta virus	34,138
157	mental retardation	33,066
158	chronic fatigue	32,992
159	legionnaires disease	32,341
160	enfermedades transmision sexual	32,157
161	lice	32,115
162	symptoms of h1n1	31,911
163	symptoms of gonorrhea	31,817
164	infecciones de transmision sexual	31,733
165	std information	31,487
166	vaccines	31,457
167	body lice	31,424
168	std statistics	31,293
169	syphillis	31,180
170	swine flu cdc	31,125
171	hiv aids	31,108
172	clostridium difficile	30,757
173	typhoid	30,742
174	drunk driving	30,275
175	iron deficiency	30,268
176	what is hiv	29,580
177	birth defects	29,571
178	chlamydia more:condition_symptoms	29,559
179	kawasaki syndrome	29,506
180	smoking	29,408
181	botulism	29,382
182	brucellosis	29,344
183	varicella vaccine	29,080
184	ebola virus	28,964
185	cyanide	28,865
186	fifths disease	28,790
187	influenza a	28,785
188	h1n1 flu	28,776
189	dengue	28,414
190	flu symptoms 2009	28,278
191	vital statistics	27,981
192	center for disease control and prevention	27,852
193	leading causes of death	27,794
194	lymes disease	27,584
195	h1n1 flu symptoms	27,427
196	divorce statistics	27,001
197	infection control	26,957
198	suicide	26,744
199	tetanus	26,388
200	aids	26,178