WHO vaccine-preventable diseases: monitoring system. 2016 global summary

Last updated 1-December 2016 (data as of 18-November-2016)
Next overall update June 2017
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Development status: Least developed GNI / capita (US$): 6301 Infant (under 12 months) mortality rate: 192
GDP / capita (US$): 1'5911 Child (under 5 years) mortality rate: 262

Population data in thousands3

  2015  2014  2013  2012  2011  2000  1990  1980 
Total population 6'453  6'316  6'179  6'043  5'909  4'061  3'931  3'086 
Births 229  228  227  227  227  187  177  144 
Surviving infants 209  208  206  205  204  161  149  122 
Pop. less than 5 years 1'004  998  993  989  980  708  701  535 
Pop. less than 15 years 2'734  2'694  2'653  2'610  2'563  1'795  1'741  1'289 
Female 15-49 years 1'577  1'534  1'493  1'452  1'414  943  888  721 

Number of reported cases

(Click for retrospective incidence data for Sierra Leone)
Diphtheria
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Japanese encephalitis
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Measles
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  607  1'006  15  678  1'865  3'575  830  3'625 
Mumps
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Pertussis
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  23  1'619 
Polio*
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  34  38  11 
Rubella
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  10  54 
Rubella (CRS)
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Tetanus (neonatal)
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  11  23  56  36  26 
Tetanus (total)**
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  11  112  36  103  871 
Yellow fever
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  94  361 
* Polio refers to all polio cases (indigenous or imported), including polio cases caused by vaccine derived polio viruses (VDPV). For desagregated data please click on this hyperlink: https://extranet.who.int/polis/public/CaseCount.aspx
it does not include cases of vaccine-associated paralytic polio (VAPP) and cases of non polio acute flaccid paralysis [AFP]).
** Neonatal Tetanus and Total Tetanus cases equality may be the result from a lack of non-Neonatal Tetanus surveillance system.

Percentage target population vaccinated by antigen

Hovering over an antigen reveals its fuller definition
  Most recent coverage survey4  

Official country estimates5

  (Click for retrospective coverage estimates data for Sierra Leone)
Vaccine year result method % card seen                                                
BCG 2012  96  DHS   73  90  90  99  97  90  39  98  36 
DTP1 2012  94  DHS   73  95  88  98  91  80  33 
DTP3 2012  78  DHS   73  86  83  92  91  76  24  83  13 
DTP4         
IPV1         
HepB_BD         
HepB3 2012  78  DHS   73  86  83  92  91  76 
Hib3 2012  78  DHS   73  86  83  92  91  76 
JapEnc         
MCV1          78  80  85  88  75  43  75  36 
MCV2          60 
PCV1          95  88  98  80  85 
PCV3 2012  92  EPI   93  86  83  92  80  75 
Pol3 2012  78  DHS   73  86  83  92  91  76  26  83 
Rota1          90  85 
RotaC          85  70 
RCV1         
TT2plus 2012  81  EPI   93  92  90  81  60  90  20  81 
PAB         
VAD1          85  80  88  99*  73 
YFV 2012  84  EPI   93  78  80  85  88  75 
° indicates that more than 1 survey occurred that year.  * indicates the country reported above 100% coverage.

  Next update: Mid July 2017

WHO-UNICEF estimates6

  (Click for full retrospective WHO-UNICEF coverage estimates data for Sierra Leone)
BCG
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  90  90  99  98  97  74 
DTP1
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  95  88  98  98  97  64 
DTP3
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  86  83  92  91  89  44 
HepB3
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  86  83  92  91  89 
HepB_BD
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Hib3
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  86  83  92  91  89 
IPV1
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MCV1
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  76  78  83  84  83  37 
MCV2
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  60 
PAB
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  85  85  87  87  85  53  85 
PCV3
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  86  83  92  92  75 
Pol3
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  86  83  92  91  88  46 
RCV1
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RotaC
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  85  53 
YFV
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  78  80  85  85  83 

Number of districts in the country 14  Proportion of
districts reporting
DTP3 coverage:
% of coverage reports received at national
level vs number of reports expected
100 
   
/
|
|
\
Greater or equal to 90% 29
From 80 to 89% 43
From 50 to 79% 29
Less than 50% 0
Proportion of districts
not reporting DTP3 coverage
0
DTP3 reported coverageDTP3 reported coverage

Immunization Schedule (2015 or latest available)

Hovering over an antigen reveals its fuller definition
Vaccine Schedule Entire country Comment
BCG birth; Yes
DTwPHibHepB 6, 10, 14 weeks; Yes
HPV 9 years (2 doses); From October 2017
IPV 14 weeks; Yes From August 2016
MR <1 year; Yes From November 2017
Measles 9, 15 months; Yes
OPV birth; 6, 10, 14 weeks; Yes
Pneumo_conj 6, 10, 14 weeks; Yes
Rotavirus 6, 10 weeks; Yes
TT 1st contact; +1, +6 months; +1, +1 year; Yes
VitaminA 6, 12, 18, 24, 30, 36 months; Yes
YF 9 months; Yes

Immunizaton indicators

Indicator Expected answer 2015  2014  2013  2012  2011  2010  2009 

Planning and management

Has the country a Multi-Year Plan (MYP) for immunization? Yes/No/NR Yes  Yes  Yes  Yes  Yes  Yes  Yes 
What years does the MYP cover? number 2012-2016  2012-2016  2012-2016  2012-2017  2012 - 2016  2007 - 2011  2007 - 2011 
Nº of districts with microplans that include activities to raise immunization coverage number 14  14  14  14  14  14  13 

System performance

Total Nº districts in country number 14  14  14  14  14  14  14 
Nº districts with DTP3 coverage >=80% number 10  13  13  14  13  11  12 
% of districts with DTP3 coverage >=80% From 0 to 100% 71  93  93  100  93  79  86 
Nº districts with measles (MCV1) coverage >=95% number
% of districts with MCV1 coverage >=95% From 0 to 100% 29  29  36  29  21  36  57 

Safety

Has the country a vaccine adverse events review committee? Yes/No/NR/ND Yes  Yes  Yes  Yes  Yes  No   
Is there a national system to monitor adverse events following immunization (AEFI)? Yes/No/NR Yes  Yes  Yes  Yes  No  No  No 

Finance

Immunization expenditure financed, using Government funds? From 0 to 100% 25  22       

National Immunization Advisory Mechanism

Has the country a standing technical advisory group on immunization (NITAG)? Yes/No/NR No  No  Yes  Yes  Yes  Yes   

Sources

 1  "The 2016 World Bank Development Indicators Online", GDP per capita is PPP adjusted.
 2  World Health Statistics 2016, data for 2015
 3  "United Nations, Population Division. The World Population Prospects - the 2015 revision". New York, 2016.
 4  UNICEF/WHO survey database
 5  If no official estimate is available, the administrative coverage is reported. '*' indicates coverage over 99.5%.
 6  WHO-UNICEF estimates.