Global COVID-19 Variants and Africa’s Emerging Health Threats

By VL Bandi - Echos News ZA Editorial Desk
Published: May 31, 2026

Six years after the initial outbreak, the COVID-19 virus continues to evolve. The latest BA.3.2 sub-lineages are spreading across multiple continents, with sequencing data from GISAID confirming thousands of genomes uploaded in May 2026 from the USA, Spain, France, Japan, South Korea, South Africa, and Australia. While the world’s attention has shifted, the virus remains a persistent global health challenge.

Omicron descendants remain dominant, showing high transmissibility but no evidence of increased severity compared to earlier waves. The World Health Organization (WHO) continues to classify BA.3.2 as a Variant of Concern, underscoring the importance of vigilance even as public anxiety has waned.

🌍 Current Global Variant Landscape (May 2026)

Variants of Concern (VOC)
The European Centre for Disease Prevention and Control (ECDC) lists several VOCs still under active monitoring, with BA.3.2 and its sub-lineages showing notable spread in Europe and beyond.

Variants of Interest (VOI)
WHO continues to track VOIs that may affect transmissibility or vaccine effectiveness. These are not yet classified as VOCs but are closely watched.

Global sequencing data
GISAID reports thousands of BA.3.2 genomes submitted in May 2026 from countries including the USA, Spain, France, Japan, South Korea, South Africa, and Australia. This highlights rapid international spread.

Regional Spread Snapshot

Region	Dominant Variant	Trend
Europe	BA.3.2	Rising in Spain, steady elsewhere
North America	BA.3.2	19% of recent US samples
Asia	BA.3.2	Detected in Japan, South Korea, Thailand
Africa	BA.3.2	Reported in South Africa mid-May
Oceania	BA.3.2	38.7% of samples in New Zealand

Rare Hantavirus Case in South Africa

In May 2026, South Africa confirmed its first rare hantavirus case. The patient presented with severe respiratory symptoms linked to rodent exposure. Hantavirus is not easily transmissible between humans, but its detection raised alarms about zoonotic spillovers. Public health experts warn that this case highlights the fragility of Africa’s surveillance systems and the need to strengthen early detection of emerging pathogens.

Understanding Hantavirus: What It Is and How It Spreads

Hantavirus is a zoonotic virus primarily transmitted through contact with infected rodents, their droppings, or saliva. While rare, it can cause severe respiratory illness known as Hantavirus Pulmonary Syndrome (HPS) or hemorrhagic fever with renal syndrome (HFRS). Symptoms often include fever, headache, abdominal pain, and difficulty breathing.

Key Symptoms to Watch For

• High fever and chills
• Persistent headache
• Abdominal pain and diarrhea
• Respiratory distress in advanced stages

The Cruise Ship Connection

The patient was aboard the MV Hondius, a vessel traveling from Argentina toward the Canary Islands. The ship carried around 150 passengers and passed through remote locations including Antarctica and South Atlantic islands. The patient’s condition worsened near Ascension Island, prompting a medical evacuation to a private hospital in Sandton, Johannesburg.

Other Reported Deaths

Two additional passengers died during the voyage:

• A 70-year-old man died in St Helena after presenting with fever and abdominal pain.
• His 69-year-old spouse collapsed at OR Tambo International Airport and later died in Kempton Park. Test results are pending.

WHO Raises Global Alert

The World Health Organization (WHO) has raised the outbreak’s risk level to “very high,” declaring it a public health emergency of international concern. This designation underscores the gravity of the situation and signals the need for coordinated international action. Uganda has already confirmed five cases, including a health worker and cross-border travellers, highlighting the speed at which the virus can spread and the vulnerability of frontline medical staff.

Africa CDC Warns of Ebola Risk

Simultaneously, the Africa CDC issued a warning that ten countries are at risk of Ebola spread due to porous borders and weak health infrastructure. Ebola remains far deadlier than COVID-19, with fatality rates reaching up to 90% in some outbreaks. Unlike COVID-19, Ebola has no widely available vaccine for certain strains such as Bundibugyo, leaving populations vulnerable.

Countries at Risk

According to Africa CDC, the following nations are most vulnerable: Angola, Burundi, Central African Republic, Republic of Congo, Ethiopia, Kenya, Rwanda, South Sudan, Tanzania, and Zambia. These countries share borders or trade routes with the DRC, making them susceptible to imported cases. Health officials warn that porous borders and informal migration patterns could accelerate transmission, while limited laboratory capacity may delay detection.

Public Awareness Crisis

The world seems, on a global scale, to have forgotten about COVID-19 and its new variants. Unlike the time the virus broke out, which held the world in panic, today the urgency has faded. At the moment, besides the hantavirus, we face a much deadlier virus—Ebola—which has no vaccine yet.

The worse part is that Ebola is not given the same attention as COVID-19. These viruses should receive urgent attention with public awareness campaigns. Such campaigns would foster travellers to take extra precautions and assist the public with clear information on what to do in the event of infection.

Risks and Considerations

• High transmissibility: BA.3.2 spreads quickly, similar to earlier Omicron strains.
• Severity unchanged: No evidence of increased hospitalizations compared to past Omicron waves.
• Vaccine protection: Boosters remain effective at reducing severe illness, though infection protection is limited.
• Animal reservoirs: WHO’s CoViNet stresses monitoring both human and animal hosts to prevent new mutations.
• Neglected threats: Ebola and hantavirus risk being overshadowed by COVID-19 fatigue.

Echo News ZA Closing Analysis

Global health attention has shifted, but the risks remain. COVID-19 variants continue to spread silently, while Africa faces the dual burden of Ebola and rare zoonotic infections like hantavirus. The fading urgency around COVID-19 is dangerous, as complacency undermines preparedness.

Ebola, with its high fatality rate and lack of a universal vaccine, deserves the same level of global mobilization once seen during the early COVID-19 pandemic. Public awareness campaigns, transparent reporting, and international cooperation are essential. The rare hantavirus case in South Africa, linked to international cruise travel, is a reminder that zoonotic spillovers can occur at any time.

© 2026 Echos News ZA. All rights reserved.

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