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Epidemiology Unit


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The Epidemiology Unit was established in 1959 with assistance from the World Health Organization (WHO) to strengthen surveillance of communicable diseases. Initially, the unit functioned with a WHO consultant and a national counterpart, who, after further training in epidemiology, was appointed in 1961, as the Epidemiologist of the Department of Health Services. Prior to this, the functions of epidemiological surveillance were under the guidance of a Senior Medical Officer (Epidemiology) in the Department of Health Services. From its inception, the Epidemiological Unit worked very closely with the Public Health Veterinary Officer (presently the  Director, Public Health Veterinary Services) and the Medical Statistician, and were all located at Chelsea Gardens, Colombo 3.

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COVID - 19 Related Important documents New

Latest Circulars and Guidelines
COVID - 19 Contact Details Requesting Form
Contact Details requesting form ( Download )
Covid-19 Vaccination Campaign
Guidelines for COVISHIELD Covid-19 Vaccination Campaign               ( Download )
Covishield vaccine Guideline 2 ( Download )
Guidance on diagnosis and management of Thrombosis with Thrombocytopenia Syndrome (TTS) in persons who received COVID - 19 vaccination ( Download )
Instruction on alert levels in COVID 19 country response and permitted functions : revised restrictios under alert level III ( Download )
Commencement of the vaccination programme for secound dose of the COVISHIELD vaccine for the Health Care Workers ( Download )
Revised guidelines on information to be given to COVID - 19 vaccine recipients ( Download )
Preventive measures during the Ramazan season prayers and other religious activities at mosque during the pandemic of COVID-19 ( Download )
Admission of COVID-19 positive travellers detected at airports ( Download )
Quarantine measures for travellers arriving from overseas during the pandemic of COVID - 19 (2021-04-06) ( Download )
Preventive measures for airline crew members ( Download )
Guidance on information to be given to COVID - 19 vaccine recipients (Download )
Strengthning of COVID - 19 Surveillance ( Download )
More Guideline and Circulars (Click Here)
COVID - 19 Exposure History
COVID - 19 Exposure History Updated 2020-03-27  (Download)
Home quarantine notice by Inspector General of Police
Self Quarantine -Sri Lanka Police (Download)
Quarantined Place - Sri Lanka Police (Download)
Corona Related Documents
General Welfare of COVID - 19 Patients (Download)

Police act on quarantine of suspected corona patients / contacts (Download)

Follow up of Sri Lankan nationals and other foreign nationals returning from high risk areas for COVID - 19 transmission (Download)

Follow up of Sri lankan nationals and other foreign nationals returning from high risk areas (Download)

Key consideration for repatriation and quarantine of travellers in relation to the outbreak of corona virus (English)

COVID - 19 Poster (Sinhala / Tamil)
COVID - 19 Case Investigation Form (English)
Information Leaflet for School Children - Corona (Sinhala)
Follow up Sheet and Combined Form For All REs (All 3 Languages)
Corona Virus Infection  - Fact Sheet (English / Sinhala)
New CORONA Virus - Press Release - 26-01-2020 (English / Sinhala / Tamil)



ILI Related Documents

Proposed measures to mitigate Influenza like illness at Institutional Level (English)

Revised Summery Guidelines for Patients with Seasonal Influenza Virus Infection ( English / Sinhala )



National Immunization Related Documents

National Immunization Summit, 2015 (Download)

Immunization Schedule (Download)

National Immunization Policy (Download)



Leptospirosis Related Documents

Prevention And Control Of Leptospirosis In Sri Lanka (Download)



New MOH and Clinic Vaccine Movement Register

New MOH Office (Download) and Clinic (Download) Vaccine Movement Register



Chronic Kidney Disease Related Documents

National Research Programme for Chronic Kidney Disease of Unknown Aetiology -WHO Report (PDF) (Download)

Investigation and Evaluation of Chronic Kidney Disease of Uncertain Aetiology - WHO Report (PPT) (Download)



Log Tag Analyzer Software Download

Log Tag Analyzer (Download)


Covishield vaccine Guideline 2

Message for Public

Dengue update

Total of 31162 suspected dengue cases for the year 2020 and 7009 suspected dengue cases were reported to the Epidemiology Unit from all over the island from January 2021 to up to now, . Latest Disease Trends,

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Corona Related Videos

Service of public health
Spread of COVID - 19
Quarantine Process
COVID - 19 Video

Calendar of Activities

What's New

Latest Events on Corona

Timor Lestre -  Sri Lanka twining agreement

Health and Emergency Response - Flood and landslide 2018 New

Introduction of Human Papillomavirus (HPV) Vaccine into the National Immunization Programme


Advice's for patients with Dengue Fever who are on ambulatory care ( Sinhala / Tamil / English )

Printable versions ( Sinhala / Tamil / English )

Triage of fever patients with suspected dengue and criteria for admission


Disease Surveillance in Flood Affected Areas

1. Public health measures to be adopted in the event of floods.

2. Health messages for public.


Zika Leaflet ( Sinhala/English )

Revised Guidelines for Clinical Management, Laboratory Investigation and Surveillance of Patients with Zika Virus Infection


Immunization coverage assessment survey


Ebola Preparedness – Assessment in Sri Lanka

Polio Eradication Endgame Plan


Influenza Disease

Seasonal Influenza

Influenza in pregnancy

MERS-CoV Infection

Introduction of the Inactivated Polio Vaccine

Symposium on Challenges in Prevention and Control of Hepatitis C


Working guideline for the management of patients having Ebola Virus Disease (EVD)

Diagnosis of Ebola virus disease (EVD)

Haematological investigations of Ebola Virus disease (EVD) suspected patients

Before conducting any haematological investigations on suspected   Ebola Virus disease (EVD) patients

Please contact,

  1. Epidemiology unit – 0112 695112, 0112 681548
  2. Dr. Sunethra Gunasena  (Consultant virologist ) Medical Research Institute(MRI) Colombo
- 0112 693532, 0112 693533,0112 693534 / 5

Disease surveillance go online

Routine H399 (Weekly Return of Communicable Diseases) based disease surveillance system has been the driving hub for Sri Lankan...

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Press Releases

A report has been received on 22nd March 2011 by the Epidemiology Unit of the Ministry of Health from the Regional Epidemiologist...

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