Sri Lanka national influenza programme: influenza factsheet 2019

Sri Lanka Influenza Surveillance – Landscape Analysis 2019 INFLUENZA FACTSHEET 2019 SRI LANKA National Influenza Programme Basic information (2019) Total population 21 690 1941 Children <5 years of age 1 843 6671 Under-5 mortality rate (per 1000 live births) 8.81 Life expectancy at birth (years) 75.32 Provinces/divisions/regions/zones 9 Districts 26 Total health expenditure (% of GDP) 31 Income level (World Bank) Lower-middle3 1https://www.who.int/southeastasia/health-topics/immunization 2https://www.who.int/gho/publications/world_health_statistics/2020/en/ 3https://data.worldbank.org/ Influenza Like Illness (ILI) Surveillance Type of ILI surveillance Sentinel Sites involved in ILI surveillance Hospitals (outpatients) Clinical case definition used for ILI case ascertainment WHO 2011 Is laboratory confirmation sought in ILI cases? Yes, for 10 cases per a site, per a month from 13 sites Number of ILI surveillance sites 19 Number of states/districts covered by the surveillance system 16 % of the population covered by the surveillance system 79% Denominator used for ILI surveillance Number of outpatient visits Reporting frequency to the national level Weekly How are the data reported? Aggregated Form of the reporting tool Electronic Severe Acute Respiratory Infection (SARI) Surveillance Type of SARI surveillance Sentinel Sites involved in SARI surveillance Hospital (inpatients) Clinical case definition used for SARI case ascertainment WHO 2011 Is laboratory confirmation sought in SARI cases? Yes, 10 cases per a site per a month Number of SARI surveillance sites 4 Number of states/districts covered by the surveillance system 4 % of the population covered by the surveillance system 33% Denominator used for SARI surveillance Number of inpatient visits Reporting frequency to the national level Weekly How are the data reported? Aggregated Form of the reporting tool Electronic Influenza Surveillance – Landscape Analysis 2019 Sri Lanka Intensive Care Unit (ICU) surveillance Does the country have surveillance for influenza in the ICU? No Is laboratory confirmation sought in ICU cases? Not Applicable Is case-based information collected? Not Applicable Mortality surveillance Is timely all-cause mortality data (i.e. within one month) available in the country? Lab confirmed influenza deaths are subjected to investigation. This information is available at the national level. Virological surveillance Does the country have virological surveillance? Yes Type of virological surveillance National and sentinel – If sentinel, number of sites involved 19 Is epidemiological case information collected? Yes – If yes, are the laboratory results linked with epidemiological data? Yes Average number of virological samples processed per week 75 Are samples processed from ILI or SARI surveillance systems? Yes, from both systems Does the country have virus isolation capacity? Yes Does the country have RT-PCR capacity? Yes – laboratories that perform RT-PCR - – RT-PCR laboratories that report to NIC - Does the country use rapid diagnostic testing for influenza surveillance? No Does the country have sequencing capacity? No Does the country test for other respiratory viruses? Yes Virological data (FluNet) 0 20 40 60 80 100 0 50 100 150 200 250 1 5 9 13 17 21 25 29 33 37 41 45 49 1 5 9 13 17 21 25 29 33 37 41 45 49 1 5 9 13 17 21 25 29 33 37 41 45 49 2017 2018 2019 % P os itiv e Nu mb er of ca se s A/H1N1pm09 A/H1N1 A/H3N2 A/H5N1 A (Unsubtyped) B Yamagata B Victoria B (Unsubtyped) % Positive Plotted in R (ggplot2). Data source: FluMART, available at http://apps.who.int/flumart/ Sri Lanka Influenza Surveillance – Landscape Analysis 2019 Influenza Sentinel Surveillance sites ILI / SARI SARI National Influenza Centre Does the country have a National Influenza Centre (NIC) or national laboratory? Yes – NIC was established in 2001 Assays routinely performed at the NIC or national laboratory RT-PCR (CDC assay) for influenza A and B and subtyping influenza A/H1 and A/H3; cell culture Does the NIC have – Virus isolation capability – Antigenic characterisation capability – Antiviral susceptibility testing capability – Sequencing capability Yes Yes No No Does the NIC test for other respiratory viruses? Yes – Adenovirus, Respiratory Syncytial Viruses, Parainfluenza viruses, bocavirus (RT-PCR: performed at Pune, India) and capacity available for Middle East respiratory syndrome coronavirus (MERS-CoV) (commercial assay) Does the country have a quality control plan? Yes Does the country follow national biosafety and biosecurity policy guidelines? Yes Does the country forward samples to a WHO Collaborating Centre (CC)? Yes – Victorian Infectious Diseases Reference Laboratory, Melbourne, Australia – How often? Twice Influenza Surveillance – Landscape Analysis 2019 Sri Lanka For technical information, please contact: Dr Pushpa Ranjan Wijesinghe, Programme Area Manager (Infectious Hazard Management). Email: wijesinghep@who.int Reporting Frequency of national reports Quarterly Are epidemiological and virological data integrated? Yes, both types of data are integrated Reported via a website? Yes – www.epid.gov.lk Does the country report to FluID? – Year of beginning of reporting – Frequency of reporting No - - Does the country report to FluNet? – Year of beginning of reporting – Frequency of reporting Yes 2006 Weekly Are there fixed outbreak thresholds? Yes (Outbreak threshold is identified by comparing with the case load of the previous year) Level at which data are stored, managed and analysed National level Has formal training on data reporting and analysis been provided to surveillance and laboratory staff? – If yes, when? – Has a training session been planned? If yes, when? Yes December 2019 Yes – September 2020 Vaccination Does the country have a formal seasonal influenza vaccination policy? No Has seasonal influenza been introduced in the public sector? – Year introduced – Recommended risk groups – Vaccination period – Northern/Southern hemisphere vaccine ? – Vaccine type No - - - - - Is seasonal influenza offered in the private sector? – Only offered to particular risk groups? – Vaccination period – Northern/Southern hemisphere vaccine ? – Vaccine type Yes No throughout the year Depending on the season Trivalent Is vaccine offered to Hajj and Umrah pilgrims? Yes, in the private sector Vaccine production capacity No Pandemic preparedness Does the country have a National Influenza Pandemic Preparedness Plan? – Year developed – Year last updated Yes 2005 2012 (Updating is in progress in 2019) Has the country performed simulation exercises? Yes, table top, functional, field exercises Are there laboratory testing strategies in place for different phases of an influenza pandemic? Yes Are there surge capacity plans? Yes, included in the National Influenza Pandemic Preparedness Plan Does the pandemic preparedness plan include a detailed National Pandemic Vaccine Deployment Plan? – Are there priority groups? No (Sri Lanka has a separate, standalone national pandemic vaccine deployment plan) Yes