Measles Epidemiology Contagious Diseases Measles Virus Measles Research Measles Cases Viral Infections Measles Transmission Infection Control Vaccination Impact Infectious Disease Research Measles Outbreak Measles Vaccination Efficacy Hantavirus Research Surveillance Health Data Vector-borne Diseases Social Implications Trends in Infectious Diseases Risk Assessment Vaccine-Preventable Diseases Infectious Disease Control Transmission Pathways Virus Transmission Vaccine Development Flu Outbreaks Malaria Norovirus Research Avian Flu Measles Resurgence Zoonotic Diseases Dengue Fever Human Cases Public Health Responses Human-Animal Transmission Bioterrorism H5N1 Bird Flu Data Analysis
Mammary‑gland replication that produces high viral loads in milk raises spillover risk, prompting experts to urge cattle vaccination.