BA.3.2 (Cicada): The New COVID Variant Explained

A new SARS-CoV-2 subvariant called BA.3.2 has been detected in multiple countries and is now being monitored by the World Health Organization. You may have seen it referred to in the press as "Cicada" — an informal nickname that emerged in early coverage. This article explains what is known about BA.3.2, how it was identified, and what it means for people following COVID news.

What is BA.3.2?

BA.3.2 is a subvariant of SARS-CoV-2, the virus that causes COVID-19. It belongs to the Omicron family — the same broad lineage that has dominated global circulation since late 2021. The name "BA.3.2" is a designation from the Pango lineage classification system, which is the standard scientific naming scheme for coronavirus variants.

The nickname "Cicada" is not an official designation. It is not used by the WHO, the CDC, or any national health authority. It appeared in early media coverage and circulated widely, but for tracking and clinical purposes, the correct name is BA.3.2.

When and where was it first detected?

BA.3.2 was first identified in genomic surveillance data in early 2026. Initial detections were reported from East Asia — particularly Japan, Hong Kong, and South Korea — where sequencing programmes maintained a consistent submission rate even as global sequencing volumes declined after 2023.

Detections have since been confirmed in Europe (UK, Denmark, Germany, the Netherlands), the Americas (US, Canada), and Oceania (Australia, New Zealand). The spread pattern reflects both genuine transmission and the uneven distribution of sequencing infrastructure globally — countries with more sequencing capacity report detections earlier and more reliably.

What has the WHO said?

On 20 March 2026, the World Health Organization classified BA.3.2 as a Variant Under Monitoring (VUM) — the lowest of the three monitoring tiers. The tiers are:

• Variant Under Monitoring (VUM): genetic changes that may affect behaviour, but no confirmed evidence of increased risk. This is BA.3.2's current status.
• Variant of Interest (VOI): evidence of growth advantage or immune evasion, under closer surveillance.
• Variant of Concern (VOC): confirmed evidence of increased transmissibility, severity, or vaccine escape. No current VOCs are designated as of March 2026.

VUM classification means health authorities are watching BA.3.2 but have not identified it as posing a greater risk than currently circulating strains. This classification can be upgraded or downgraded as new data emerges.

What are the symptoms?

Based on available reports, symptoms associated with BA.3.2 appear consistent with other recent Omicron-lineage variants. Most cases are upper respiratory in nature. Commonly reported symptoms include:

• Sore throat
• Runny or blocked nose
• Fatigue
• Headache
• Dry cough

Less commonly reported: fever, muscle aches, and shortness of breath. Loss of taste and smell — a hallmark of early COVID variants — is not prominently reported with recent Omicron subvariants including BA.3.2.

How widespread is it?

As of late March 2026, BA.3.2 accounts for a small share of sequenced cases globally — estimated below 5% of submitted sequences where data is available. However, global sequencing rates have declined significantly since the acute phase of the pandemic, which means the true prevalence is uncertain.

Countries with the highest reported share of BA.3.2 in recent sequences include Japan, Hong Kong, and Denmark — but this partly reflects their higher sequencing rates rather than necessarily higher real-world prevalence.

Should I be concerned?

Based on current data, there is no evidence that BA.3.2 causes more severe disease than other circulating variants. The WHO's VUM classification explicitly reflects the absence of confirmed increased risk. That said, COVID-19 in any form remains a meaningful illness for vulnerable populations.

Standard precautions apply: staying up to date with available vaccines, testing if symptomatic, and following local public health guidance.

Where can I track the latest data?

BA32.org maintains a live tracker updated every 6 hours with country-level detection data sourced from GISAID, outbreak.info, and national health authority reports. You can search for your country, see the share of recent sequences, and assess data confidence — all with visible sources.