Regional Epidemiology Surveillance Unit

February 2013

MONTHLY SURVEILLANCE REPORT

A total of 3,232 notifiable diseases were reported by the 10 Sentinel Surveillance Hospitals from February 1 to 28, 2013.

NOTIFIABLE DISEASES IN THE REGION:

Disease Entity	CV	DC	DN	DS	DO	TOTAL
Acute Bloody Diarrhea	14	51	2	3	0	70
Adverse Event following immunization	0	3	0	0	0	3
Acute Encephalitis Syndrome	0	1	0	0	0	1
Acute Flaccid Paralysis	0	0	0	1	0	1
Acute Hemorrhagic Fever	1	0	0	0	0	1
Cholera	0	1	0	0	0	1
Dengue	166	653	83	373	141	1416
Diphtheria	0	0	0	0	0	0
Hepatitis A	0	4	0	0	1	5
Hepatitis B	9	6	2	0	0	17
Hepatitis C	0	0	0	0	0	0
Hand Foot Mouth Disease	0	2	0	0	1	3
Influenza Like Illness	148	1027	194	57	89	1515
Leptospirosis	2	51	5	2	6	66
Malaria	0	0	0	0	0	0
Measles	6	17	11	0	11	45
Meningitis, Bacterial	10	5	3	1	0	19
Meningo	1	0	0	0	0	1
Non-Neonatal Tetanus	0	1	2	0	1	4
Neonatal Tetanus	0	1	0	1	0	2
Pertussis	0	0	0	0	0	0
Rabies	0	0	0	0	0	0
Typhoid Fever	17	35	9	1	0	62
TOTAL	374	1858	311	439	250	3232

Figure 1 - Cases admitted in the 10 sentinel hospitals

DISCUSSIONS:

Among the diseases monitored, Influenza-like Illness ranks first at 1,515 cases. Dengue cases of 1,416, second, 46% are from Davao City. Third is Acute Bloody Diarrhea cases. Forty-two (42) fatalities noted.

MEASLES CASES

Trend

A total of 45 suspect measles cases was reported from the different DRUs (Disease Reporting Unit) in Davao Region from February 1 to 28,2013. This is 9% higher compared to the same period last year. There were no deaths for 2012.

Figure 2 - Distribution of Measles cases by province

Figure 3 - Profile of cases as to immunization status

DENGUE CASES

Figure 4 - Epicurve for Dengue, Davao Region, February 1 to 28,2013

Five (5) year trend shows increase in the middle of the year probably due to start of the rainy season. The epicurve shows the cases reached the epidemic threshold.

Dengue suspects total to 1,416. Most of the cases came from Davao City (46%). 54% were males. 326 of the cases are from the agegroup 5 to 9 years old.

Figure 5 - Dengue suspect cases by agegroup and sex , Davao Region,
February 1 to 28, 2013.

ACUTE BLOODY DIARRHEA CASES

Acute Bloody Diarrhea cases total to 70. 73% of the cases came from Davao City. There are 38 males and 32 females. Most of the cases belong to the agegroup of 40 years old and above, and 5 to 9 years old.

Figure 6 - Acute Bloody Diarrhea Cases by Province, Davao Region, February 1 to 28, 2013

Figure 7 - Acute Bloody Diarrhea Cases by District, Davao Region, February 1 to 28, 2013

Figure 8—Acute Bloody Diarrhea cases by agegroup and sex , Davao Region, February 1 to 28, 2013

ACUTE WATERY DIARRHEA

Monitoring cases of Acute Watery Diarrhea is not routinely done by the Regional Epidemiology Surveillance Unit, but seeing significant increase in cases as shown in figure 9, below, that shows that number of cases have exceeded alert levels. The various Epidemiology Surveillance Units have been informed and provided with recommendations for action.

Figure 9 – Epicurve for Acute Watery Diarrhea, Davao Region, February 1 to 28,2013

Figure 10 – Monthly Acute Watery Diarrhea Cases, February 1 to 28, 2013

Clustering of Cases In:

Brgy. 19-B, District B, Davao City
Brgy Talomo Poblacion, Talomo South, Davao City
Brgy Matina Crossing, Talomo North, Davao City
Brgy Bucana, Talomo North, Davao City
Brgy Buhangin Poblacion, Buhangin District, Davao City

Figure 11 – Weekly Acute Watery Diarrhea Cases by Province, February 1 to 28, 2013

Figure 12 – Weekly Acute Watery Diarrhea Cases by District, Davao City, February 1 to 28, 2013

Figure 13 - Acute Watery Diarrhea Cases by Age Group, Davao Region, February 1 to 28, 2013

HIV AND OTHER SEXUALLY TRANSMITTED INFECTIONS (STI)

Pursuant to AO No. 2005-0027 through a memorandum from Assistant Secretary for Health and Director IV, National Epidemiology Center Dr. Enrique Tayag dated February 15,2012; Heads/Chief of Clinics, Laboratories and Blood Banks are required to submit monthly report of detected HIV/STI cases to NEC/RESU.

Reports are collected from 27 accredited HIV Testing Laboratories (including blood banks) in the Davao Region. Data collected include confirmed HIV results, positive for Syphilis, Hepatitis B, Hepatitis C and Gonorrhea. Also collected are results from testing of blood units in blood banks.

Davao Region is one of the five major contributors to the National HIV Registry, sharing 6% in February 2013. As of February 2013, 4 HIV-related deaths have been reported by hospitals.

Figure 14. HIV/STIs Cases detected from accredited HIV Testing Laboratories in Davao Region February 1- 28, 2013.