How to Avoid Hantavirus and Other Infections While Traveling

The recent outbreak aboard the cruise ship MV Hondius has placed hantavirus into international headlines and raised broader concerns about infectious disease exposure during travel. Multiple passengers became ill, and several deaths were reported after exposure linked to the Andes strain of hantavirus during a South American expedition cruise. Health authorities continue to emphasize that the overall public risk remains low, but the incident serves as an important reminder about travel safety, immune resilience, and preventive health practices.  

Hantavirus is typically transmitted through exposure to rodent urine, saliva, or droppings, especially when contaminated particles become airborne in enclosed spaces. Certain strains, such as the Andes virus, have shown limited human-to-human transmission under close-contact conditions. Symptoms often begin with fever, fatigue, and muscle aches, and may progress to severe respiratory distress.  

A Wake-Up Call for Modern Travelers

While the outbreak itself remains relatively contained, it underscores a broader truth: travel places tremendous strain on the body’s immune system. Long flights, sleep disruption, jet lag, dehydration, crowded airports, cruise ships, unfamiliar foods, and chronic stress all weaken immune resilience. 

From the perspective of Traditional Chinese Medicine (TCM), these stressors impair the body’s “Wei Qi”—the protective defensive energy that acts as the body’s first line of resistance against external pathogens. Ancient Chinese physicians understood that disease prevention begins long before exposure. The strength of the body’s internal terrain — sleep, digestion, energy, stress regulation, and immunity — often determines vulnerability.

Practical Travel Safety Measures

Experts continue to emphasize that hantavirus remains relatively rare and is primarily associated with rodent exposure rather than casual public contact. The recent hantavirus outbreak reminds us that common-sense prevention still matters greatly.

Travelers should:

  • Wash hands frequently and avoid touching the face unnecessarily

  • Consider wearing masks in crowded indoor spaces or during outbreaks

  • Avoid poorly ventilated environments with potential rodent exposure

  • Never sweep or vacuum rodent droppings dry, as this aerosolizes viral particles. Instead, use disinfectants and wet-cleaning methods when cleaning potentially contaminated areas.

Sleep, Jet Lag, and Immune Suppression



One of the greatest hidden risks during travel is sleep deprivation. Modern research demonstrates that inadequate sleep impairs immune function, increases inflammation, and reduces the body’s antiviral defenses. In Chinese medicine, travel-related exhaustion depletes the defensive Wei Qi, weakening overall vitality and resilience.

To minimize jet lag and support immunity during travel:

  • Adjust sleep schedules several days before departure and, when possible, get sunlight exposure upon arrival

  • Hydrate aggressively during flights and avoid excessive alcohol

Practice Shielding meditation designed to boost your immune surveillance, breath-work, or Self Healing Qi Gong to regulate the entire body

Chinese Herbs and Immune Support

Traditional Chinese herbal medicine has been used for centuries, especially during the past pandemic outbreaks of respiratory and febrile illnesses. While herbs are not substitutes for medical care or public health measures, many possess antiviral, anti-inflammatory, adaptogenic, and immune-supportive properties supported by modern research. Here are several herbs to consider incorporating into your preventive program:

Astragalus (Huang Qi)

Astragalus is traditionally used to strengthen Wei Qi and support resistance to illness. Modern studies suggest it may help regulate immune function, support respiratory health, and improve resilience during periods of stress or fatigue. It is commonly used preventively before and during travel seasons.

Reishi Mushroom (Ling Zhi)

Medicinal mushrooms like Reishi are known in Chinese medicine as longevity and immune-support herbs. Reishi mushrooms may help regulate inflammation, support stress adaptation, improve sleep quality, and modulate immune responses. For travelers, reishi may be particularly helpful when sleep disruption and stress are present. Other medicinal mushrooms with proven immune support properties include Cordyceps and Turkey Tail. 

Honeysuckle and Forsythia (Yin Qiao)

These herbs are classic ingredients in a traditional formula called Yin Qiao, used during the early stages of respiratory or febrile infections. Research shows that both possess antiviral and antibacterial properties. 

Inquire with your Tao of Wellness practitioner for herbs that are right for you and your travel needs.

Nutrition for Immune Resilience

In TCM, digestion is considered the foundation of immunity. Poor digestion weakens energy production and lowers resistance. During travel, supportive dietary strategies include:

  • Focusing on warm, cooked foods while traveling and avoiding raw and cold foods, which may contain microbes that cause gastrointestinal sickness

  • Hydrating with bottled or filtered water, ginger or peppermint tea, soups and broths, and minimizing sugar and alcohol

  • Emphasizing garlic, ginger, mushrooms, scallions, and fermented foods to support your gut microbiome

The Importance of

Nervous System Regulation

Chronic stress suppresses immune function. Practices such as Qi Gong, meditation, Tai Chi, diaphragmatic breathing, and time in nature help regulate the nervous system, reduce inflammatory stress responses, and improve immune coordination. Even 10–15 minutes of daily practice during travel may help support recovery, sleep quality, and emotional balance. From the perspective of Chinese medicine, true prevention is not merely avoiding pathogens — it is cultivating resilience.

Prevention Remains the Best Medicine

The recent hantavirus outbreak should not create panic, but it should encourage awareness. Infectious diseases are part of our interconnected world, particularly during international travel and environmental disruption. The lesson is preparedness. By combining modern hygiene practices with sleep optimization, stress management, proper nutrition, and immune-supportive therapies from Traditional Chinese Medicine, travelers can significantly strengthen their resilience and reduce risk.

As the ancient TCM physicians taught: when the body’s vital energy is strong, external pathogens have far less opportunity to take hold.