Clark County Disease Statistics Second Quarter 2011 - Epidemiology

	2009		2010		2011		Rate (Cases per 100,000 per quarter)		Quarterly Rate Comparison
Disease	Q2 No.	YTD No.	Q2 No.	YTD No.	Q2 No.	YTD No.	Q2 (2006-2010 aggregated)	Q2 (2011)	Significant change bet. current & past 5-year?~~
Vaccine Preventable
Diphtheria	0	0	0	0	0	0	0.00	0.00
Haemophilus Influenza (Invasive)	.	9	.	5	5	8	0.11	0.26
Hepatitis A	.	.	.	5	.	.	0.07	0.16
Hepatitis B (Acute)	7	12	9	17	5	13	0.39	0.26
Influenza**	367	518	21	150	30	451	4.64	1.57	X
Measles	0	0	0	0	0	.	0.00	0.00
Mumps	.	.	0	0	0	0	0.14	0.00	X
Pertussis	0	.	.	5	5	11	0.21	0.26
Poliomyelitis	0	0	0	0	0	0	0.00	0.00
Rubella	0	0	0	0	0	0	0.00	0.00
Tetanus	0	0	0	0	0	0	0.00	0.00
Sexually Transmitted
AIDS	42	97	62	116	46	97	3.01	2.41
Chlamydia	1723	3971	2239	4111	2179	4499	95.31	113.97	X
Gonorrhea	320	757	485	881	384	921	25.24	20.08	X
HIV	63	115	72	141	57	117	4.36	2.98	X
Syphilis (Early Latent)	47	71	45	84	48	99	1.88	2.51
Syphilis (Primary & Secondary)	29	49	21	40	41	70	1.25	2.14	X
Enterics
Amebiasis	0	.	.	.	.	7	0.08	0.21
Botulism-Intestinal (Infant)	0	0	0	0	0	0	0.00	0.00
Campylobacteriosis	30	49	25	51	29	48	1.25	1.52
Cholera	0	0	0	0	0	0	0.00	0.00
Cryptosporidiosis	0	0	.	.	0	0	0.03	0.00
Giardia	22	28	11	24	7	25	1.08	0.37	X
Rotavirus	79	86	58	66	34	41	4.82	1.78	X
Salmonellosis	47	75	52	79	29	57	2.18	1.52
Shiga-Toxin Producing E. Coli#	6	8	7	8	9	13	0.22	0.47
Shigellosis	6	28	9	14	.	10	1.05	0.21	X
Typhoid Fever	0	0	0	0	0	.	0.01	0.00
Vibrio (Non-Cholera)	.	.	0	0	0	0	0.01	0.00
Yersiniosis	0	0	0	.	0	0	0.03	0.00
Other
Anthrax	0	0	0	0	0	0	0.00	0.00
Botulism Intoxication	0	0	0	0	0	0	0.00	0.00
Brucellosis	0	0	0	0	0	0	0.01	0.00
Coccidioidomycosis	16	32	15	30	22	42	0.84	1.15
Dengue Fever	0	0	0	.	0	0	0.00	0.00
Encephalitis	0	.	0	0	0	0	0.01	0.00
Hantavirus	0	0	0	0	0	0	0.00	0.00
Hemolytic Uremic Syndrome (HUS)	.	.	.	.	0	.	0.02	0.00
Hepatitis C (Acute)	0	0	.	.	.	.	0.07	0.05
Hepatitis D	0	0	0	0	0	0	0.00	0.00
Invasive Group A Strep.##	5	6	.	10	0	0	0.27	0.00	X
Legionellosis	0	.	9	12	5	7	0.14	0.26
Leprosy (Hansen's Disease)	0	0	0	0	0	0	0.01	0.00
Leptospirosis	0	0	0	0	0	0	0.00	0.00
Listeriosis	.	.	.	.	.	.	0.04	0.05
Lyme Disease	.	.	0	0	0	0	0.05	0.00	X
Malaria	0	0	0	.	0	.	0.00	0.00
Meningitis, Aseptic/Viral	10	17	.	11	5	12	0.54	0.26
Meningitis, Bacterial	.	6	.	5	.	.	0.21	0.05
Meningococcal Disease	0	.	.	.	0	.	0.05	0.00	X
Plague	0	0	0	0	0	0	0.00	0.00
Psittacosis	0	0	0	0	0	0	0.00	0.00
Q Fever	0	0	0	0	0	0	0.01	0.00
Rabies (Human)	0	0	0	0	0	0	0.00	0.00
Relapsing Fever	0	0	0	0	0	0	0.00	0.00
Rocky Mountain Spotted Fever	0	0	0	0	0	0	0.00	0.00
RSV (Respiratory Syncytial Virus)	179	924	135	907	132	1116	8.11	6.90
Streptococcus Pneumoniae IPD###	10	23	6	13	13	33	0.41	0.68
Toxic Shock Syn	.	.	0	0	0	.	0.01	0.00
Toxic Shock Syn (Streptococcal)	0	0	.	.	0	.	0.06	0.00	X
Tuberculosis	32	46	28	47	32	49	1.35	1.67
Tularemia	0	0	0	0	0	0	0.00	0.00
Unusual Illness	0	0	0	0	0	.	0.07	0.00	X
West Nile Virus (Encephalitis)	0	0	0	0	0	0	0.00	0.00
West Nile Virus (Fever)	0	0	0	0	0	0	0.00	0.00

*Numbers are provisional including confirmed, probable and suspect (since Feb-08) cases. HIV/AIDS case counts provided by Office of HIV/AIDS/STD; TB case counts provided by TB clinic. Data suppression denoted by '.' applies if number of cases <5. Quarterly disease total reported by OOE=344(reported total=3131).

**Reporting of novel type A influenza (reclassified as INFLU OUTBRK per CDC recommendations as of Jan-11) started in May-09.

#E. COLI 015:H7 instead of STEC was reported prior to 2006.

##Reported since Mar-07.

###S. pneumo invasive diseases (reported since Sep-05) previouly reported under separate categories grouped together as of Jan-11 per CDC recommendations.

~~Confidence intervals (not shown) for the quarterly disease incidence rates provided a basis for an informal statistical test to determine if the current quarterly rates changed significantly from those of the previous 5 years aggregated. Text in green where rates decreased and in red where rates increased. Statistically significant changes indicated by 'X' (rate comparisons made if 5+ cases reported in the current quarter of this year or previous 5 years aggregated).