World Health Organization, South-East Asia Regional Office

Sri Lanka 2017

Expanded Programme on Immunization (EPI)
FACT SHEET

Acronyms
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MCV1

First dose measles containing vaccine

AEFI

Adverse events following immunization

MCV2

Second dose measles containing vaccine


AFP

Acute flaccid paralysis

MICS

Multiple indicator cluster survey

BCG

Bacillus Calmette-Guérin vaccine

MMR

Measles mumps rubella vaccine

CES

Coverage evaluation survey


MNT

Maternal and neonatal tetanus

cMYP

Comprehensive multi-year plan

MR

Measles rubella vaccine

CRS

Congenital rubella syndrome

NCIP

National committee on immunization practices


DHS

Demographic health survey

NID

National immunization day

DT

Diphtheria tetanus toxoid, pediatric

NTAGI

National technical advisory group on immunization

DTP

Diphtheria – tetanus – pertussis vaccine


NPEV

Non-polio enterovirus

DTP-Hib-HepB

Pentavalent vaccine

NT

Neonatal tetanus

DTP-Hib-HepB3 3rd dose pentavalent vaccine

OPV

Oral poliovirus vaccine

EPI


Expanded programme on immunization

bOPV

Bivalent OPV

GDP

Gross domestic product

tOPV

Trivalent OPV

HCW

Health care worker

PCV


Pneumococcal conjugate vaccine

HepB

Hepatitis B vaccine

SEAR

WHO South-East Asia Region

Hib

Haemophilus influenzae type b

SIA

Supplementary immunization activities

HPV


Human papilloma virus

SNID

Subnational immunization day

IgM

Immunoglobulin M

Td

Tetanus diphtheria toxoid; older children, adults

IPV

Inactivated poliovirus vaccine

TT


Tetanus toxoid

JE

Japanese encephalitis

TT2+

2 or more doses TT

JE_Live-Atd

JE live attenuated vaccine

VDPV

Vaccine derived poliovirus

JRF


WHO UNICEF joint reporting form

VPD

Vaccine preventable diseases

LB

Live birth

WCBA

Women of child bearing age

M

Measles

WPV


Wild poliovirus

Contents
Page
No.

Impact of rouine immunizaion
EPI history

5

Basic informaion 2016

MCV1 and MCV2 coverage, measles and rubella cases, 1980-2016

Table 1

5


Immunizaion schedule 2016

MCV supplementary immunizaion aciviies

Table 2

5

Naional immunizaion coverage 1980 - 2016

Figure 1

6

Immunizaion system highlights

Table 3

6

DTP3 coverage, diphtheria and pertussis cases 1980 - 2016

Figure 2

7

Reported cases of vaccine preventable diseases 2011 - 2016

Table 4

7

DTP-Hib-HepB3 coverage by district 2015

Figure 3

7

DTP-Hib-HepB3 coverage by district 2016

Figure 4

7

Page
No.

Maternal and neonatal tetanus eliminaion is sustained
TT2+ coverage and NT cases 1980 - 2016

Figure 5

8

Page
No.

Polio-free status is maintained
AFP surveillance indicators 2011 - 2016

Table 5

9

Non-polio AFP rate by district 2015

Figure 6

9

Non-polio AFP rate by district 2016

Figure 7

9

Adequate stool specimen collecion percentage by district 2015

Figure 8

10

Adequate stool specimen collecion percentage by district 2016

Figure 9

10

OPV supplementary immunizaion aciviies

Table 6

10

Page
No.

Towards measles eliminaion and rubella/congenital rubella
syndrome control
Figure 10

11

Table 7

11

MCV1 coverage by district 2015

Figure 11

12

MCV1 coverage by district 2016

Figure 12

12

MCV2 coverage by district 2015

Figure 13

12

MCV1 coverage by district 2016

Figure 14

12

Immunity against measles – immunity proile by age in 2016

Figure 15

12

Subnaional risk assessment for measles and rubella

Figure 16

12

Sporadic and outbreak associated measles cases by month 2011 - 2016

Figure 17

13

Immunizaion status of conirmed (laboratory and Epi linked) measles outbreak
associated cases by age 2011 – 2016

Figure 18

13

Quality of ield and laboratory surveillance for measles and rubella 2012 - 2016

Table 8

14

Performance of laboratory surveillance 2012 - 2016

Table 9

14

WHO supported laboratory network for VPD surveillance

Figure 19

15

WHO South-East Asia Region
Sri Lanka: province level map

Disclaimer: The boundaries and names shown and the designaions used on all the maps do not imply the expression of any opinion whatsoever on the part of the
World Health Organizaion concerning the legal status of any country, territory, city or area of its authoriies, or concerning the delimitaion of its froniers or boundaries.

4

Impact of routine immunization
Table 1: Basic information1 2016

EPI history

Total populaion

21,164,458

Live births

331,073

Children 10% drop-out rate for DTP-Hib-HepB1 to DTP-Hib-HepB3

no district

Source: WHO/UNICEF JRF, 2016

6

Figure 2: DTP3 coverage1, diphtheria and pertussis cases2, 1980-2016
542

DTP-Hib-HepB3 coverage by district

536

100

300

Figure 3: 2015
80

200
60
150
40
100

% Coverage

No. of cases

250

20

50
0

0
1980

1985

1990

1995

2000

2005

2010

2011

2012

2013

2014

2015

2016
Source: SEAR annual EPI reporing form, 2015 (administraive data)

Year
Diphtheria Cases

Pertussis Cases

DTP3 Coverage

WHO/UNICEF esimates of naional immunizaion coverage, July 2017 revision
WHO vaccine-preventable diseases: monitoring system 2016

1
2

Figure 4: 2016
Table 4: Reported cases of vaccine preventable diseases, 2011-2016
Year

Polio

Diphtheria

Pertussis

NT
(% of all tetanus)

Measles

Rubella

Mumps

JE

CRS

2011

0

0

23

0

60

416

1,129

30

3

2012

0

0

61

0

51

54

3,558

60

12

2013

0

0

67

0

2,107

24

1,274

70

4

2014

0

0

38

0

1,686

10

383

21

4

2015

0

0

107

0

1,568

9

ND

17

0

2016

0

0

54

0

112

0

311

18

0

Source: WHO/UNICEF JRF, (muliple years)

Source: SEAR annual EPI reporing form, 2016 (administraive data)

90%

Maternal and neonatal tetanus elimination is sustained

Figure 5: TT2+ coverage1 and NT cases2, 1980-2016
MNT eliminaion before 2000
339

80

100
80

60
50

60

40
40

30
20

20

10
0

0
1980

1985

1990

1995

2000

2005

2010

2011

2012

Year
NT Cases
© WHO/Sri Lanka/K Reidey

WHO/UNICEF JRF, Country oicial esimates, 1980-2015
WHO vaccine-preventable diseases: monitoring system 2015 & JRF 2015

1
2

8

TT2+ Coverage

2013

2014

2015

2016

% Coverage

No. of cases

70

Polio-free status is maintained
Table 5: AFP surveillance performance indicators, 2011-2016
The last laboratory conirmed polio case due to WPV was reported in November 1993.
Indicator

2011

2012

2013

2014

2015

2016

AFP cases

88

75

103

84

70

65

Wild poliovirus conirmed cases

0

0

0

0

0

0

0

0

0

0

0

0

Non-polio AFP rate1

Compaible cases

1.42

1.54

1.66

1.59

1.35

1.20

Adequate stool specimen collecion percentage2

86%

80%

82%

75%

77%

85%

Total stool samples collected

175

156

168

134

137

104

1

4

6

5.3

10

3.8

99

89

98

98

89

81

% NPEV isolaion
% Timeliness of primary result reported

3

Number of discarded AFP cases per 100,000 children under 15 years of age.
Percent with 2 specimens, at least 24 hours apart and within 14 days of paralysis onset.
3
Results reported within 14 days of sample received at laboratory.
1
2

Non-polio AFP rate by district

Figure 6: 2015

Figure 7: 2016

© WHO/Sri Lanka/K Reidey

2

No non-polio AFP case

9

Adequate stool specimen collection % by district

Figure 8: 2015

Figure 9: 2016

80%

No AFP

Table 6: OPV SIAs

Year

Vaccine

Geographic
coverage

Target populaion

Coverage (%)

Target age
Round 1

Round 2

Round 1

Round 2

1997

OPV

NID