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Global Infectious Disease Situation Update

Reporting Period: April 7-14, 2026

The AeroClenz Chief Medical Officer periodically reviews publicly available infectious disease surveillance reports from organizations such as the Centers for Disease Control and Prevention (CDC), World Health Organization (WHO), and European Centre for Disease Prevention and Control (ECDC).

These summaries are intended to provide general awareness of global infectious disease activity relevant to international travel, healthcare systems, and high-traffic indoor environments.

This information is provided for situational awareness only and does not constitute medical advice.

Key Takeaways

For the period of April 7–14, 2026, several notable global infectious disease trends were observed:

• Measles continues to present a significant disruption risk due to high transmissibility and global outbreak activity
• Seasonal respiratory viruses are declining but remain present
• Cholera persists as a serious concern in infrastructure-limited regions
• Chikungunya remains a relevant travel-associated risk
• High-consequence pathogens remain contained but continue to be monitored

Top 5 Signals

1) Measles remains the highest disruption risk per case

CDC’s latest update reports 1,714 confirmed measles cases in the United States as of April 9, 2026, across 33 jurisdictions, with approximately 94% associated with outbreaks.

Global surveillance continues to indicate active measles outbreaks in multiple regions, reinforcing its role as a highly transmissible disease with ongoing potential for international spread.

2) Respiratory virus activity is declining but ongoing

WHO’s most recent update indicates:

• Influenza positivity below 10% globally
• SARS-CoV-2 activity remaining low
• RSV activity stable and low

These trends reflect a continued decline in seasonal respiratory virus activity, though circulation has not fully subsided.

3) Cholera remains a multi-country public health concern

WHO continues to report cholera activity across multiple regions, with 18,715 cases and 269 deaths recorded in February 2026, including a notable increase in mortality compared to January.

Cholera transmission remains closely associated with water, sanitation, and healthcare infrastructure conditions.

4) Chikungunya remains a travel-associated risk

Chikungunya transmission in the Seychelles continues to be monitored by public-health agencies.

CDC maintains a Level 2 travel notice, emphasizing mosquito precautions and noting that vaccination may be recommended for travelers to affected areas.

5) High-consequence pathogens remain contained

WHO continues to assess recent Nipah virus events in India and Bangladesh as low risk for broader spread.

Ebola and Marburg outbreaks previously reported in the Democratic Republic of Congo and Ethiopia remain in post-outbreak status.

Global Situation Overview

Measles

Measles remains the most operationally significant infectious disease in this update due to:

• High transmissibility
• Amplification through international travel
• Resource-intensive contact tracing

Recent CDC data confirms continued outbreak-linked transmission in 2026, alongside global activity across multiple regions.

Respiratory Viruses

The global respiratory disease picture continues to improve following peak seasonal activity.

WHO reports:

• Declining influenza detections globally
• Influenza B accounting for a larger share of remaining cases
• Low SARS-CoV-2 activity
• Stable, low RSV activity

Regional reporting in Europe reflects similar trends, consistent with a de-escalating respiratory season.

Cholera

Cholera remains a serious concern in regions where water, sanitation, and healthcare systems are under strain.

Recent updates indicate that while case increases have been modest, mortality has risen more sharply, highlighting ongoing challenges in access to care and disease severity.

Mpox

Mpox continues to be monitored globally, with ongoing reporting across multiple countries.

While not the dominant signal during this period, it remains an active area of public-health surveillance, including continued attention to clade-specific transmission patterns.

Arboviruses: Chikungunya and Dengue

Chikungunya activity in the Seychelles remains a relevant travel-associated signal.

Public-health agencies continue to emphasize mosquito precautions and awareness for travelers to affected regions.

Dengue remains a significant global burden, particularly in the Americas, with hundreds of thousands of suspected cases reported in early 2026.

Zika virus continues to be characterized as a persistent, low-level risk, particularly relevant in specific populations such as pregnant individuals.

Avian Influenza

Avian influenza remains under active global surveillance.

Current reporting indicates:

• Continued circulation in wild bird populations worldwide
• Ongoing impact on poultry and some mammalian populations
• Sporadic human infections

Public-health agencies continue to assess overall risk to the general population as low.

High-Consequence Pathogens

Nipah virus:
Recent cases remain limited, with no evidence of sustained transmission.

Ebola and Marburg viruses:
No active outbreaks are currently reported. Previous outbreaks have been declared contained following appropriate monitoring periods.

These pathogens remain clinically important but operationally contained at this time.

Air Travel and Measles Exposure

Public-health guidance continues to emphasize that measles cases associated with air travel can result in extensive contact investigations.

Guidance highlights the importance of early recognition of symptoms and timely communication with public-health authorities, given the potential for rapid escalation following a single exposure event.

Summary

The global infectious disease landscape for mid-April 2026 reflects declining respiratory virus activity alongside continued monitoring of high-impact and travel-associated risks.

Key themes include:

• Measles as the most significant disruption risk per individual case
• Continued decline in seasonal respiratory virus activity
• Persistent cholera activity in infrastructure-limited regions
• Ongoing relevance of chikungunya and dengue for travelers
• Contained but closely monitored high-consequence pathogens

Public-health surveillance agencies continue to monitor these developments and publish updates as new information becomes available.

Sources referenced in this summary include the Centers for Disease Control and Prevention (CDC), the World Health Organization (WHO), the European Centre for Disease Prevention and Control (ECDC), and peer-reviewed literature, including the Journal of Travel Medicine.

To learn more about AeroClenz, visit www.aeroclenz.com. Follow AeroClenz on social media for updates on research and technology developments.LinkedIn:https://www.linkedin.com/company/aeroclenz
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Michael Stroup

Chief Operations Officer

Michael is a results-driven leader with 20 years of experience improving operations to achieve greater organizational effectiveness, productivity, and performance across multiple industries. Most recently Michael served as Integration Engineering Manager at CooperSurgical, a leading fertility medical device manufacturer. Prior to CSI, he has a proven track record of driving operational and engineering excellence within medical device, food, electronics and automotive industries by leading day to day operations and providing effective strategic leadership/execution.  His expertise includes, but is not limited to, global production set up, process improvements, machinery design and compliance. Michaels holds a Bachelor of Science in Mechanical Engineering Technology and Industrial Automotive Technology from Indiana State University and a Master of Science in Industrial Technology from Indiana State University.

Matt Saberton

CEO, Founder, Co-Inventor

Matt has been passionate about aviation from a young age, earning his private pilot’s license in high school. After obtaining a degree in Aviation and Aerospace Science, he began his career as a flight instructor and then became an air ambulance pilot, where he recognized the importance of cabin cleanliness.

Rising through the ranks at one of the largest worldwide charter airlines, Matt became Captain and later Chief Pilot, gaining deep insights into maintaining safe environments in aviation. This experience led him to found Aeroclenz, Inc., where he now serves as CEO.

Under his leadership, Aeroclenz has transitioned from an aerospace-focused company to a leader in UV disinfection solutions, offering custom products for both aerospace and terrestrial indoor applications. While the company’s roots are in aviation, its technologies now ensure high standards of cleanliness across various industries.

Jameson Trettenero

Director of Marketing

Jameson is a seasoned marketing expert with experience driving strategic marketing initiatives across a diverse array of industries. In his role, Jameson leads the marketing efforts with a focus on innovative growth strategies, brand elevation, and data-driven decision-making that align with the company’s overarching business goals.

Before joining Aeroclenz, Jameson held key leadership positions at top-tier digital agencies. In his agency experience, he spearheaded multi-divisional teams across disciplines including SEO, Paid Media, Analytics, and Creative. His strategic oversight and client-centric approach significantly enhanced client retention and business growth, particularly across enterprise-level accounts.

Jameson’s expertise extends to managing complex client relationships, advising C-level executives, and navigating the intricacies of the marketing landscape. His ability to harmonize creativity with analytics has consistently driven measurable success for clients, from Fortune 500 companies to emerging brands.