There were 294 cases seen at different Disease Reporting Units in the National Capital Region from January 1 to October 11, 2024. 72 (24%) were measles cases [clinical measles compatible (65, 22%), laboratory-confirmed measles (7, 3%)] 4 laboratory-confirmed rubella (4, 1%) and 218 (74%) were discarded [non-measles/non-rubella] [Figure 1]

0.1 Figure 1. Distribution of Reported Measles-Rubella Cases by Classification

MEASLES CASES: There were 72 measles cases reported from January 1 to September 07, 2024. This is 71% higher than the same time period last year (42) [Figure 2], and 15% higher than the previous five-year (2017, 2020-2023) without outbreak average (61) [Figure 3]. Most of the cases were from Quezon City, with 24 cases (33%) while the Municipality of Pateros has the highest incidence rate (0.15 per 10,000 population). Clusters of suspected measles cases were observed in four barangays of Quezon City and one barangay in Caloocan. No fatalities have been reported.

0.2 Figure 2. Distribution of Measles Cases by Morbidity Week (2023 vs 2024)

0.3 Figure 3. Distribution of Measles Cases by Morbidity Week (Epidemic and Alert Treshold)

Ages of the cases ranged from 6 months to 39 years, with a median age of 3 years. Most of the cases were female (39, 54%) [Figure 4]. Of the 60 cases aged 9 months and above, 19 cases had history of previous measles vaccination with at least one dose. (19, 32%).

0.4 Figure 4. Distribution of Measles Cases by Age-group and Sex

0.5 Figure 5. Distribution of Measles Vaccination by Age-group

MEASLES AND RUBELLA SURVEILLANCE INDICATORS:

While the 2024 Annualized Measles Incidence Rate, Suspect Measles Reporting Rate, and Specimen Adequacy Rate were reached by the region, the Non-Measles/non-Rubella Reporting Rate, Timeliness and Adequacy of Case Investigation, and Measles Compatible Rate were below the target but almost reached by the region. [Table 1].

0.6 Table 1. Distribution of Measles-Rubella Cases, Classification, and Key Surveillance Indicators by LGU (N=294)

red highlight : unable to reach the target

Local Government Unit

Population

Target case

Reported case

Discarded Non Measles/Rubella

Laboratory Confirmed Rubella

Measles Compatible

Laboratory Confirmed Measles

Epi-linked Confirmed Measles

Measles/Rubella incidence rate

Specimen Adequacy

Timeliness & Adequacy of Case Investigation

Annualized Suspect Measles Reporting Rate

Annualized Non-measles / Non-Rubella Reporting Rate

Measles Compatible Rate

Caloocan City

1,724,390

36

31

14

1

16

0

0

0.58

51.61

45.16

2.16

0.97

51.61

City of Manila

1,891,095

38

36

24

0

10

2

0

1.06

69.44

44.44

2.28

1.52

27.78

Las Piñas City

623,636

14

13

13

0

0

0

0

0.00

84.62

84.62

2.50

2.50

0.00

Makati City

297,966

6

8

5

1

2

0

0

3.36

87.50

50.00

3.22

2.01

25.00

Malabon City

393,282

8

6

6

0

0

0

0

0.00

100.00

83.33

1.83

1.83

0.00

Mandaluyong City

438,436

10

13

9

0

3

1

0

2.28

92.31

92.31

3.56

2.46

23.08

Marikina City

468,372

10

6

3

0

3

0

0

0.00

50.00

50.00

1.54

0.77

50.00

Municipality of Pateros

66,567

2

2

1

0

1

0

0

0.00

100.00

100.00

3.61

1.80

50.00

Muntinlupa City

557,576

12

11

3

0

6

2

0

3.59

36.36

27.27

2.37

0.65

54.55

Navotas City

257,469

6

3

2

0

1

0

0

0.00

66.67

66.67

1.40

0.93

33.33

Parañaque City

710,582

16

8

3

1

4

0

0

1.41

50.00

25.00

1.35

0.51

50.00

Pasay City

448,353

10

11

5

0

3

3

0

6.69

63.64

45.45

2.94

1.34

27.27

Pasig City

833,749

18

1

1

0

0

0

0

0.00

100.00

100.00

0.14

0.14

0.00

Quezon City

3,052,364

62

83

47

1

33

1

1

0.66

66.27

56.63

3.26

1.85

39.76

San Juan City

127,586

4

3

3

0

0

0

0

0.00

66.67

66.67

2.82

2.82

0.00

Taguig City

1,271,862

26

76

65

0

11

0

0

0.00

81.58

71.05

7.17

6.13

14.47

Valenzuela City

738,827

16

11

9

0

1

1

0

1.35

90.91

45.45

1.79

1.46

9.09

NCR

13,902,112

294

322

213

4

94

10

1

1.01

71.12

58.39

2.78

1.84

29.19

DOH-MMCHD Regional Epidemiology and Surveillance Unit, 1/F Bldg. 1, Barangay Road, Welfareville Compound, Barangay Addition Hills, Mandaluyong City 1554 Telephone No. 8531-0037 loc 116 or 117 • Email:

Prepared by: Email: Contact Number: 09281619398