Thailand

Season running low

In 2026 so far, the reported cases are well below the expected number of cases. Cases are currently stable, as expected at this time of the year based on trends in previous years.

Data refreshed: 21 April 2026

Dengue cases in 2026

Compare to

Current year: Reported cases Current year: Estimated cases (reported cases not available) Uncertainty: 95% confidence interval

Further analysis

In March 2026, Thailand reported 1,229 dengue cases, well below what we would typically expect for this time of year.

Compared with February 2026, in which 1,288 cases were reported, this is a similar level of reported cases.

So far in 2026, the country has recorded 4,420 cases-about 0.5x the expected level-so the season is below average to date.

The last month with reported cases is March 2026.

In Thailand the average peak month is July.