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Cicada Variant BA.3.2 Spreads to 23 Countries, Experts Warn

3/31/2026

Summary

Story summary

The Cicada variant, BA.3.2, identified in South Africa in November 2024, has spread to at least 23 countries, including the UK and US.
BA.3.2 carries 70 to 75 mutations in its spike protein, which may reduce vaccine effectiveness.
The variant is not yet linked to more severe disease, but health experts urge caution for vulnerable populations.
Public health guidance recommends standard precautions such as handwashing and masking in high-risk settings.

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Story summary

The Cicada variant, BA.3.2, identified in South Africa in November 2024, has spread to at least 23 countries, including the UK and US.
BA.3.2 carries 70 to 75 mutations in its spike protein, which may reduce vaccine effectiveness.
The variant is not yet linked to more severe disease, but health experts urge caution for vulnerable populations.
Public health guidance recommends standard precautions such as handwashing and masking in high-risk settings.