New COVID Strain: What Are the 3 New COVID Symptoms

A heavily mutated COVID-19 variant called BA.3.2, nicknamed “Cicada,” is now circulating in at least 31 U.S. states. While overall COVID activity remains low nationally, this covid new strain has drawn attention from researchers because it carries more than 70 mutations in its spike protein, far more than recent variants, which may allow it to partially evade immunity from prior infections and vaccines.

For most people, BA.3.2 causes mild illness that resolves at home. But understanding the new covid symptoms associated with this variant, who is most vulnerable, and when symptoms cross into emergency territory can prevent a manageable infection from becoming a serious one.

What Is the New COVID Strain?

The BA.3.2 “Cicada” is a descendant of the Omicron BA.3 lineage, a branch of the respiratory virus that circulated briefly in early 2022 before going silent. Scientists believe the variant evolved over an extended period, likely in a single immunocompromised host, accumulating dozens of mutations before reemerging in late 2024. The nickname “Cicada” comes from this pattern of disappearing and resurfacing, similar to the insect’s long dormancy cycle.

The WHO designated BA.3.2 as a “variant under monitoring” in December 2025. As of April 2026, it has been detected in over 30 countries, with the highest concentrations in Australia, Denmark, Germany, and the Netherlands. In the U.S., the variant accounts for a small but growing share of sequenced cases and wastewater samples.

What makes this covid new strain notable is not severity. There is currently no evidence that BA.3.2 causes more serious illness than other recent Omicron subvariants. The concern is immune evasion. Early lab studies suggest that antibodies from vaccination or prior infection are less effective at neutralizing BA.3.2 than other circulating strains, which means more people may get infected even if they have existing immunity.

3 New COVID Symptoms You Should Never Ignore

Most BA.3.2 infections feel like a bad cold. But some new covid symptoms stand out as warning signs that the infection is moving beyond what your body can handle on its own. These symptoms are consistent with other Omicron subvariants and are often indistinguishable from flu or RSV without testing.

1. Sudden Shortness of Breath or Chest Tightness

Shortness of breath that appears suddenly or worsens over hours, particularly while resting, signals that the virus may be affecting the lungs. Chest tightness or a feeling of pressure alongside labored breathing is the single most common reason COVID patients require ER treatment. With the Cicada variant, this progression can happen even in people with mild initial symptoms.

2. Extreme Fatigue With Dizziness

COVID fatigue is more than tiredness. When fatigue becomes severe enough that standing triggers dizziness, walking feels unsafe, or mild activity causes near-collapse, it may indicate oxygen imbalance, dehydration, or early organ stress. This symptom is easy to dismiss as “just being run down,” which is exactly why it catches patients off guard.

3. Confusion or Difficulty Staying Awake

Neurological symptoms including mental fog, disorientation, unusual drowsiness, or difficulty responding normally indicate the infection may be affecting the brain or causing dangerous drops in oxygen. In older adults, confusion may be the only visible sign that COVID has become severe, even without fever or cough.

Any of these three symptoms, alone or in combination, warrants immediate ER evaluation.

Other Symptoms Reported With BA.3.2

Beyond the three red flags above, new covid symptoms associated with this covid new strain include:

Sore throat, often the first and most prominent symptom
Dry or persistent cough
Fever and chills
Nasal congestion and runny nose
Headache and body aches
Hoarseness or voice changes
Ear pain or sinus pressure
Nausea or gastrointestinal upset
Night sweats
Loss of taste or smell (less frequent but still reported)

These overlap heavily with flu, RSV, and seasonal colds, which is why testing remains the only reliable way to confirm which virus you’re dealing with.

Why COVID Symptoms Keep Changing

Viruses naturally mutate over time. As SARS CoV 2 evolves, each new strain may spread differently or affect the body in new ways.

These changes can influence:

Symptom severity
Duration of illness
Speed of transmission
Risk of complications

That is why recognizing updated symptom patterns is essential.

Are Children More Affected by BA.3.2?

Early data suggests children account for a higher proportion of BA.3.2 infections compared to adults, likely because they carry less accumulated COVID immunity from prior infections and vaccinations. The variant does not appear to cause more severe disease in children, but it is infecting them more frequently.

Researchers believe this pattern may reflect lower COVID immunity in children overall. Many children have had fewer infections and fewer vaccine doses than adults, leaving them more susceptible to a variant that evades existing antibodies.

For parents, this means:

Children with new covid symptoms like sore throat, cough, and fever should be tested, especially if COVID is circulating in their school or daycare
Most children will recover with rest, fluids, and symptom management
The same emergency red flags that apply to adults apply to children (see below)

If your child develops worsening respiratory symptoms, Dallas ER provides pediatric care 24/7 with physicians trained to evaluate and treat children of all ages.

Do Current Vaccines Protect Against the New COVID Strain?

Current COVID vaccines targeting the JN.1 lineage still provide protection against severe disease from BA.3.2, though they may be less effective at preventing infection. This is a consistent pattern across Omicron subvariants: vaccines reduce hospitalizations and deaths far more effectively than they prevent mild illness.

The WHO and CDC are evaluating whether future vaccine formulations should specifically target BA.3.2 antigens. For now, staying up to date with available boosters remains the most effective layer of protection against severe outcomes, particularly for adults over 65, immunocompromised individuals, and people with chronic health conditions.

Do COVID Tests Detect BA.3.2?

Yes. Standard rapid antigen tests and PCR tests detect the Cicada variant. If you have new covid symptoms and your test is negative, it may be another respiratory infection. If symptoms persist or worsen despite a negative result, repeat testing in 24 to 48 hours or seek medical evaluation.

Testing is particularly important with this covid new strain because treatment decisions depend on knowing which virus you have. Paxlovid, the primary COVID antiviral, is still effective against BA.3.2 but must be started within 5 days of symptom onset for maximum benefit.

When New COVID Symptoms Become an Emergency

Seek emergency care for new covid symptoms if you experience difficulty breathing at rest, persistent chest pain, bluish discoloration of the lips or face, confusion, or symptoms that worsen after initial improvement. These red flags apply regardless of which covid new strain is circulating.

Go to the ER immediately if you experience:

Difficulty breathing
Persistent chest pain
Bluish or grayish lips, face, or fingernails (cyanosis)
Confusion, disorientation, or difficulty staying awake
Inability to keep fluids down
Signs of severe dehydration
New covid symptoms that improve and then suddenly worsen (may indicate secondary bacterial infection like pneumonia)
Fever above 103°F that doesn’t respond to medication

In children, watch for rapid breathing, chest retractions (skin pulling between ribs), refusal to eat or drink, extreme lethargy, or any color changes around the lips.

Don’t wait for multiple symptoms to appear. A single breathing red flag is enough to seek emergency evaluation.

How the ER Treats Severe COVID Cases

Emergency treatment for severe COVID focuses on stabilization, respiratory support, and preventing complications.

At Dallas Emergency Room, evaluation typically includes:

Oxygen saturation monitoring and supplemental oxygen if levels are low
On-site lab testing including inflammatory markers, CBC, and metabolic panels
Chest X-ray or CT scan to assess lung involvement
IV fluids for dehydration and electrolyte imbalance
Antiviral medications
Continuous monitoring with extended observation

For patients needing hospitalization, ICU care, or ventilatory support, we stabilize and coordinate immediate transfer to the appropriate facility. Our on-site diagnostics mean the receiving hospital gets imaging, lab results, and clinical documentation from the start, avoiding delays in continued care.

How to Protect Yourself Against BA.3.2

This covid new strain spreads through the same respiratory routes as previous variants. Protection strategies haven’t changed:

Stay current on COVID boosters
Test early if symptoms develop
Isolate when sick to protect others around you
Wear a mask in crowded indoor settings during active surges
Wash hands frequently
Monitor local wastewater surveillance data for COVID activity trends (available through the CDC)

COVID doesn’t follow the same seasonal pattern as flu and RSV. Waves have occurred in spring, summer, and winter. Staying aware of local circulation, rather than assuming the season has passed, is the most practical form of prevention.

Key Takeaway

The BA.3.2 “Cicada” variant is the latest covid new strain circulating in the U.S. Its new covid symptoms are similar to other Omicron subvariants, but its ability to evade existing immunity means more infections among people who haven’t been sick with COVID in months or years.

Most cases are mild. But for high-risk patients, and for anyone experiencing breathing difficulty, persistent chest pain, confusion, or severe dehydration, emergency care can prevent a mild infection from becoming a dangerous one.

Dallas ER provides 24/7 COVID evaluation with on-site testing, labs, imaging, and board-certified emergency physicians.

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Frequently Asked Questions

1. What are the newest COVID symptoms in 2026?

The COVID new strain causes symptoms consistent with recent Omicron strains: sore throat, dry cough, fatigue, fever, congestion, headache, and body aches. Some patients also report hoarseness, ear pain, and gastrointestinal symptoms. These new covid symptoms are often indistinguishable from flu or RSV without testing.

2. Is the BA.3.2 Cicada variant more dangerous than previous strains?

No evidence currently suggests that BA.3.2 causes more severe disease than other circulating Omicron subvariants. The concern is immune evasion. Cicada’s 70+ spike mutations may reduce the effectiveness of existing antibodies, leading to more breakthrough infections. Vaccines still protect against severe outcomes.

3. Are children at higher risk from BA.3.2?

Preliminary data suggests children make up a higher proportion of BA.3.2 cases, likely because they have less accumulated COVID immunity. However, the variant does not appear to cause more severe illness in children. Parents should test children with respiratory symptoms and monitor for emergency warning signs.

4. When should I go to the ER for COVID?

Seek emergency care for difficulty breathing, persistent chest pain, confusion, bluish lips or skin, severe dehydration, or symptoms that worsen after initially improving. These apply to any covid new strain, not just BA.3.2.