Compiled by the ENCLAI research team following a documented methodology · Editorial oversight: Dr Natalya Mathur, Founder · Data last updated: (UTC)

Varicella in Taiwan: 2026 cases and outbreak reports

Reported varicella surveillance for Taiwan (TWN) — ▲ Rising · 2025 — latest record 2026-11-07

What the 2026 data shows

As of 31 October 2026, Taiwan has reported 54 varicella cases in 2026, as published by Taiwan CDC. The full year 2025 closed at 66 cases. 2025 closed 59% above the 2023–2024 average, which is why the trend reads “Rising”.

Of the 20 countries reporting varicella to ENCLAI in 2026, Taiwan accounts for 0.0% of reported cases and ranks 18 by case count.

ENCLAI has logged 394 surveillance records for varicella in Taiwan in 2026, with the most detailed reporting in Jun 2026 (376 records). 5 of those arrived in the last 30 days; the case counts run to 2026-10-31. 1 distinct surveillance sources reported this pair in 2026.

Reporting authorities for these counts: Taiwan CDC — Disease Surveillance Express (weekly national)

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Surveillance summary

2026 cases (YTD)
54
2025 cases (full year)
66
Baseline avg (3yr)
N/A
Trend (2025)
▲ Rising · 2025
+59% vs 2023–2024 average

Reported cases by year, Taiwan

YearReported casesShare of worldwide reports
2023 47 0.0%
2024 36 0.0%
2025 66 0.0%
2026 (year to date) 54 0.0%

Reporting bounds and case definitions vary; historical baselines are a separate comparison measure. Worldwide share compares this country's reported figure with the sum of all countries reporting varicella to ENCLAI for that year. "Incomplete year" means our sources cover less than ten months of that year, so no full-year figure is shown; "outbreak total to date" is a running total since an outbreak began, not a count for one year.

Surveillance records logged in 2026

MonthRecordsReporting sources
Jun 20263761
Jul 202641
Aug 202641
Sep 202641
Oct 202651
Nov 202611

A record is one dated surveillance publication or one row of an official table; a month with many records is a month with detailed reporting, not necessarily more cases. 5 records were logged in the last 30 days.

Varicella in other countries, 2026

Country2026 casesTrend
Poland 73,825 ▼ Declining · 2025
South Korea 32,970 ≈ Stable · 2025
Colombia 23,421
Sri Lanka 8,668
Mongolia 6,839 ≈ Stable · 2025

Other diseases reported in Taiwan, 2026

Disease2026 casesTrend
Seasonal influenza 1,987 ▲ Rising · 2025
Tuberculosis 1,129
COVID-19 817 ▲ Rising · 2025
Hepatitis A 677 ▲ Rising · 2025
Legionnaires' disease 573 ▲ Rising · 2025

Questions about this page

How many varicella cases has Taiwan reported in 2026?
As of 31 October 2026, Taiwan has reported 54 varicella cases in 2026, as published by Taiwan CDC. The full year 2025 closed at 66 cases. 2025 closed 59% above the 2023–2024 average, which is why the trend reads “Rising”.
Is varicella rising or falling in Taiwan?
ENCLAI's trend reading for varicella in Taiwan is “Rising · 2025”: the latest complete year is compared with the earlier baseline from the reported counts; the current year is not judged until it closes.
Where does Taiwan publish varicella surveillance data?
The counts on this page were published by Taiwan CDC — Disease Surveillance Express (weekly national). ENCLAI compiles and normalises them and is not affiliated with these authorities.

About this data

Figures are reported case counts as published by the originating health authorities, compiled by ENCLAI from 444 verified surveillance sources. Taiwan figures reflect the reporting available to ENCLAI; reporting periods and case definitions differ between sources, and a missing report does not establish zero cases. ENCLAI holds varicella records for Taiwan dated from 2019. How we verify and update data: methodology & Trust Center · understanding case counts.

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The daily disease brief

One email a day: what changed in official disease reporting worldwide, with the source named for every number. Reported facts only — no forecasts and no interpretation.

Double opt-in — we send a confirmation link and nothing else until you click it. One-click unsubscribe on every email. See our privacy notice.