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Download and parse Weekly Epidemiological Reports (WER) from the Epidemiology Unit, Ministry of Health, Sri Lanka

Project description

srilanka-epi

Python library to download and parse Weekly Epidemiological Reports (WER) from the Epidemiology Unit, Ministry of Health, Sri Lanka.

Built as part of DengueSense LK — Final Year Development Project, ICBT Campus / Cardiff Metropolitan University (2026).


Installation

pip install srilanka-epi

Or from source:

git clone https://github.com/chathurakavinduweerakoon/srilanka-epi
cd srilanka-epi
pip install -e .

Quick Start

from srilanka_epi.wer import download_range, build_dengue_timeseries
from srilanka_epi.dengue import top_districts, add_province

# Download WER Vol 53 (2026) issues 1-18 and extract dengue data
results = download_range(volume=53, start_no=1, end_no=18, save_dir="./wer_pdfs")
dengue_df = build_dengue_timeseries(results)

# Add province column
dengue_df = add_province(dengue_df)

# Top 5 districts for week 17, 2026
top5 = top_districts(dengue_df, week_no=17, year=2026, n=5)
print(top5)

# Export to CSV
dengue_df.to_csv("dengue_srilanka_2026.csv", index=False)

Parse a Single PDF

from srilanka_epi.wer import parse_wer_pdf

# From file path
result = parse_wer_pdf("WER_Vol53_No18.pdf", volume=53, number=18)

# From URL
result = parse_wer_pdf("https://www.epid.gov.lk/.../en_53_18.pdf", volume=53, number=18)

# From bytes
with open("WER.pdf", "rb") as f:
    result = parse_wer_pdf(f.read(), volume=53, number=18)

print(result['metadata'])
print(result['dengue'])

DengueSense LK — LSTM Feature Matrix with BSDS

from srilanka_epi.dengue import merge_bsds_with_dengue

# citizen_reports_df: DataFrame from DengueSense LK Spring Boot API
# columns: [district, week_no, year, risk_label]
lstm_features = merge_bsds_with_dengue(dengue_df, citizen_reports_df)
lstm_features.to_csv("lstm_input_features.csv", index=False)

Modules

Module Purpose
srilanka_epi.wer Download & parse WER PDFs
srilanka_epi.dengue Dengue-specific helpers, BSDS computation

Data Source

All data is sourced from the Epidemiology Unit, Ministry of Health & Indigenous Medicine, Sri Lanka.

Please acknowledge the Epidemiology Unit as the primary data source in any publications.


Citation

Weerakoon, R.B.H.G.C.K.B. (2026). srilanka-epi: Python library for Sri Lanka
Weekly Epidemiological Report data extraction. ICBT Campus / Cardiff Metropolitan University.
https://github.com/chathurakavinduweerakoon/srilanka-epi

License

MIT License

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