BA.3.2 "Cicada" Variant: Should You Be Worried?

A practical, awareness-based guide to the COVID variant that quietly refuses to disappear.

The COVID Variant That Quietly Refuses to Disappear

COVID-19 may no longer dominate the news cycle the way it once did, but the virus continues to evolve. While many people have returned to normal routines, scientists and public health agencies are still closely monitoring new variants through genomic surveillance and wastewater testing.

One variant that continues to attract attention is BA.3.2, commonly known as the "Cicada" variant.

Unlike some variants that briefly appear and disappear, BA.3.2 has remained detectable for months. It never triggered the massive global wave that some experts initially feared, but it also never completely went away. Today, it remains one of several actively monitored variants circulating alongside newer strains such as the Nimbus variant (NB.1.8.1).

The question many people are asking is simple:

Should you be worried about the BA.3.2 Cicada variant?

The short answer is probably not in the same way people worried during the height of the pandemic. However, that does not mean it should be ignored—especially for individuals who are elderly, immunocompromised, or living with Long COVID.

What Is the BA.3.2 "Cicada" Variant?

BA.3.2 is a descendant of the Omicron family of SARS-CoV-2 variants.

Researchers became interested in BA.3.2 because of its unusually large number of mutations. The variant appears to have evolved separately from many other currently circulating strains, accumulating a significant number of genetic changes over time before being detected.

This unusual evolutionary path earned it the nickname "Cicada."

Much like cicadas that spend years hidden underground before emerging, BA.3.2 seemed to appear after evolving largely out of sight.

When scientists first analyzed the variant, they noted an unusually high number of spike protein mutations. Because the spike protein is what the virus uses to enter human cells, mutations in this area can potentially affect:

• Transmissibility
• Immune evasion
• Reinfection risk
• Vaccine effectiveness
• Overall viral fitness

Any variant carrying a large number of mutations naturally attracts scientific attention.

Fortunately, laboratory concerns do not always translate into real-world impacts.

While BA.3.2 has shown signs of immune evasiveness, it has not demonstrated the explosive growth pattern seen with previous variants such as Alpha, Delta, or the original Omicron wave.

As a result, public health experts continue monitoring it, but there is currently no evidence suggesting that BA.3.2 causes significantly more severe disease than other circulating COVID variants.

Why Is Wastewater Data So Important?

One reason the Cicada variant continues appearing in discussions is because of wastewater surveillance.

Many people are surprised to learn that one of the most effective ways to monitor COVID activity is not through testing clinics—it is through sewage systems.

Wastewater surveillance works by detecting fragments of viral genetic material that infected individuals shed into community wastewater.

This method offers several advantages:

• It captures data from both symptomatic and asymptomatic individuals.
• It can detect trends before clinical testing identifies them.
• It provides a broad picture of community spread.
• It helps scientists identify emerging variants early.

Because fewer people are taking COVID tests today than during previous years, wastewater monitoring has become one of the most valuable tools for tracking viral activity.

Recent wastewater surveillance data has continued to identify both BA.3.2 (Cicada) and NB.1.8.1 (Nimbus) in multiple regions throughout the United States.

This does not necessarily indicate a major outbreak, but it does confirm that these variants remain active.

Cicada and Nimbus: The Variants Currently Being Watched

While BA.3.2 continues circulating, it is not the only variant drawing attention.

The Nimbus variant (NB.1.8.1) has also emerged as an important strain being monitored by researchers.

In many regions, Nimbus has shown stronger growth than Cicada, suggesting it may have a competitive advantage.

Wastewater surveillance frequently identifies both variants simultaneously, indicating that multiple COVID lineages continue circulating throughout communities.

This is not unusual.

Viruses naturally evolve and diversify over time. Most new variants never become dominant strains. Others briefly surge before being replaced by newer competitors.

What matters most is not the existence of new variants but whether they significantly increase:

• Hospitalizations
• Severe illness
• Deaths
• Healthcare system strain

At this time, neither Cicada nor Nimbus appears to be producing the kind of public health emergency experienced during earlier stages of the pandemic.

Who Should Still Pay Attention?

For healthy adults, BA.3.2 may simply represent another circulating COVID variant among many.

However, certain groups continue to face elevated risks from infection.

Why COVID Still Matters Even If It Is No Longer a Pandemic Emergency

One misconception is that because the pandemic emergency phase has ended, COVID no longer presents any meaningful risk.

The reality is more nuanced.

For most people, COVID infections today are far less disruptive than they were during 2020 or 2021.

However, COVID remains a respiratory virus capable of causing:

• Temporary illness
• Missed work or school
• Secondary infections
• Long-term symptoms in some individuals
• Increased risk for vulnerable populations

In other words, while most people no longer need to live in fear of COVID, it remains reasonable to take practical steps to reduce unnecessary exposure—particularly during periods of increased community transmission.

Are Certain Areas Seeing More Activity?

Wastewater data occasionally reveals regional hotspots where variants appear more active than elsewhere.

States with large populations and lower preventive behaviors sometimes report stronger viral signals.

Texas has periodically appeared among regions showing elevated wastewater activity for circulating variants, including strains related to both Cicada and Nimbus.

However, wastewater levels can fluctuate significantly based on:

• Population density
• Travel patterns
• Seasonal behavior
• Local immunity levels
• Testing and reporting practices

For this reason, individual regional snapshots should be viewed as trends rather than predictions.

What Can You Do to Reduce Your Risk?

The good news is that the same basic strategies that have worked throughout the pandemic remain effective today.

You do not need extreme measures.

Simple, practical habits can help reduce your chances of infection.

For many individuals, wearing a high-quality KF94 mask remains a simple and effective way to reduce risk.

Should You Be Worried About BA.3.2?

The answer is best described as awareness without alarm.

Current evidence does not suggest that the BA.3.2 Cicada variant is triggering a major public health crisis.

It has not demonstrated the explosive growth, severity, or healthcare burden associated with previous pandemic waves.

However, its continued appearance in wastewater surveillance confirms that it remains part of the current COVID landscape.

For healthy individuals, the risk is generally manageable.

For seniors, immunocompromised individuals, and those living with Long COVID, maintaining sensible precautions remains worthwhile.

The goal is not fear.

The goal is preparation.

Being informed allows you to make practical decisions that fit your personal health situation.

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