West Nile Virus

• For the temporary relief of fatigue, occasional headache, body aches, minor joint pain, vomiting, diarrhea, or mild skin rash.*ICD-10: R51.9

DIRECTIONS Place drops under tongue 30 minutes before/after meals. Adults and children 12 years and over: Take 10 to 15 drops once weekly or monthly. If mild symptoms are present, take 10 drops up to 3 times per day. Consult a physician for use in children under 12 years of age.

Persistent symptoms may be a sign of a serious condition. If symptoms persist or are accompanied by a fever, persistent headache, neck stiffness, stupor, or disorientation, consult a doctor. Keep out of the reach of children. In case of overdose, get medical help or contact a poison control center right away. If pregnant or breastfeeding, ask a healthcare professional before use. Keep out of the reach of children. If pregnant or breastfeeding, ask a healthcare professional before use.

Recent PubMed references pinned to West Nile Virus as a MeSH major topic. Citations link to pubmed.ncbi.nlm.nih.gov.

• Modelling the risk of West Nile virus infection in seven European countries from published serological and case notification data, 2008 to 2022.
  Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2026 · Feng H, Marini G, Barabás É, et al.
  PMID 42246068DOI 10.2807/1560-7917.ES.2026.31.22.2500394
• A Modular Design of a Cholera Toxin B Subunit-Scaffolded Sub-Virion Nanoparticle Vaccine Against West Nile Virus.
  Microbial biotechnology · 2026 · Byun H, Kim TH, Sung J, et al.
  PMID 42237415DOI 10.1111/1751-7915.70391
• The SL-I structural element of the 3' UTR region of West Nile virus participates in the regulation of viral translation.
  The Journal of general virology · 2026 · Romero-López C, Bueno-Arribas P, Berzal-Herranz A, et al.
  PMID 42207570DOI 10.1099/jgv.0.002268
• Temperature-Based Predictions for West Nile Virus Outbreaks in Endemic Regions of Continental Croatia.
  Pathogens (Basel, Switzerland) · 2026 · Barbić L, Miletić G, Maurić Maljković M, et al.
  PMID 42198635DOI 10.3390/pathogens15050509
• Phylogeography and Climate-Driven Distribution of Culex tarsalis (Diptera: Culicidae): Implications for the Global Spread of West Nile Virus.
  Acta parasitologica · 2026 · Trujillo-González JJ, Mejía-Jurado E, García-Escobar GC, et al.
  PMID 42184028DOI 10.1007/s11686-026-01307-z
• The Human Threat From West Nile Virus and Usutu Virus in a Changing Climate.
  APMIS : acta pathologica, microbiologica, et immunologica Scandinavica · 2026 · Føh IP, Kristensen TL, Olesen AS, et al.
  PMID 42168123DOI 10.1111/apm.70218
• Predicting West Nile virus circulation: a 20-year spatiotemporal study in humans and animals in Spain, 2003 to 2022.
  Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2026 · García-Carrasco JM, Real R, García-Bocanegra I, et al.
  PMID 42141884DOI 10.2807/1560-7917.ES.2026.31.16.2500535
• Hungary as a source of West Nile virus diversity and spread in Europe: insights from the 2024 transmission season.
  Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2026 · Nagy A, Erdélyi K, Molnár Z, et al.
  PMID 42141881DOI 10.2807/1560-7917.ES.2026.31.16.2500785

The 10 most recently updated of 28 ClinicalTrials.gov registrations naming West Nile Virus as an intervention. Registration is not evidence of efficacy or safety — reference crosswalk only.

• Safety and Immunogenicity of an Inactivated West Nile Virus Vaccine in Healthy Adults
  Active not recruiting · Phase 1 · Interventional · 30 enrolled · National Institute of Allergy and Infectious Diseases (NIAID)
  NCT06745921updated 2026-06-12
• High-Titer Neutralizing Plasma for West Nile Fever in Hospitalized Patients
  Recruiting · Phase 2 · Interventional · 37 enrolled · Gili Regev-Yochay MD
  NCT07094724updated 2025-08-26
• Etiology of Febrile Illness in Nepal (DEFINe Study)
  Recruiting · Interventional · 194 enrolled · Patan Academy of Health Sciences
  NCT07004751updated 2025-08-03
• Rapid Molecular Diagnosis and Detection of Emerging Infectious Diseases in Patients With Tropical Fever (Tropifever)
  Recruiting · Interventional · 564 enrolled · Assistance Publique - Hôpitaux de Paris
  NCT06539325updated 2025-06-06
• Serological Measurement of Montpellier Professionals' Contacts with Infectious Agents Responsible for Animal-borne Diseases
  Not yet recruiting · Interventional · 183 enrolled · University Hospital, Montpellier
  NCT06859619updated 2025-03-05
• Validation of Laboratory Techniques, Strategies, and Types of Samples for Epidemiological Control in the Covid-19 Pandemic
  Completed · Observational · 30 enrolled · Hunter College of City University of New York
  NCT04581083updated 2024-10-15
• Early Interferon-beta Treatment for West-Nile Virus Infection
  Recruiting · Phase 2 · Interventional · 100 enrolled · Tel-Aviv Sourasky Medical Center
  NCT06510426updated 2024-07-23
• West Nile Virus Seroprevalence Under Bird Ringers
  Completed · Observational · 162 enrolled · Leiden University Medical Center
  NCT05294003updated 2022-03-24
• Expanded Access to MGAWN1 in Subjects With Suspected West Nile Neuroinvasive Disease; Suspected West Nile Virus Infection; or Substantial Accidental Exposure
  No longer available · Expanded access · MacroGenics
  NCT01206504updated 2022-02-22
• A Trial to Evaluate the Safety of a Single Intravenous Infusion of MGAWN1 in Healthy Adults
  Completed · Phase 1 · Interventional · 40 enrolled · MacroGenics
  NCT00515385updated 2022-02-22

Frequently asked questions

What is West Nile Virus used for?

According to FDA labeling, West Nile Virus carries indications including: For the temporary relief of fatigue, occasional headache, body aches, minor joint pain, vomiting, diarrhea, or mild skin rash.*. This is a reference summary of labeled uses, not medical advice or a treatment recommendation.