November 6, 2024

Dengue Cases in Sri Lanka – Statistics – For 2023

In January to December, for the year 2023, Sri Lanka reported a total of 88458 dengue cases. The peak was observed in December with 11910 cases. The following data highlights the fluctuating trend of dengue across the 12 months.

TOTAL (12 months)
88,458
Peak Month
December

Common Dengue Symptoms Include:

  • High grade fever
  • Severe headache
  • Severe pain behind the eyes
  • Joint pain
  • Muscle pain
  • Bone pain
  • Nausea
  • Vomiting
  • Rash
  • And sometimes mild bleeding
- National Dengue Control Unit (Sri Lanka)

Trend of Dengue Cases by Month

So far, 12 months of data have been analyzed. There were more increases than decreases in the reported dengue cases. The highest number of cases was 11910, recorded in December. The lowest number of cases was 2665, observed in September. On average, there were about 7371.5 cases per month. The average for the first half of the year was 8220, compared to 6523 for the second half. The largest month-to-month change was 3985 cases in November. Notable changes were observed in: September (-48.64% decrease), October (50.47% increase), November (99.38% increase), December (48.97% increase). There was a 3-month streak of increases starting in April. There was a 3-month streak of decreases starting in July. There was a 3-month streak of increases starting in October.

Data in Tabular Form

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2023 8963 6709 6419 7617 9696 9916 7369 5189 2665 4010 7995 11910
Data Source: Ministry of Health - National Dengue Control Unit, Sri Lanka

Comparison (if available)

Data Source: National Dengue Control Unit, Ministry of Health, Sri Lanka.