Contagious Diseases Measles Virus Zoonotic Diseases Viral Infections Infectious Disease Control Vaccine Efficacy Infection Control Vaccination Efficacy Vector-borne Diseases Vector-Borne Diseases Vector Ecology Measles Symptoms Research Studies Infection Rates Measles Outbreaks Immunology Infectious Disease Outbreaks Vaccine-Preventable Diseases Symptoms of Measles Pathogen Spread Vaccination COVID-19 Variants Genetic Sequencing Infectious Disease Modeling Vaccination Rates Viral Variants Variant Analysis Infectious Disease Prevention Genomic Sequencing Congenital Infections Contagiousness Pathogens Preventive Measures Wastewater Analysis Mosquito-Borne Illnesses Human-Animal Interaction Mosquito Biology Infectious Disease Strains Infectious Diseases Human-to-Human Transmission Outbreak Investigation Flu Variants Insect Vectors Case Tracking Contact Tracing Yersinia pestis Vaccination Research Respiratory Viruses Virus Research Tuberculosis Research Viral Diseases Rodent-Borne Diseases Vaccine Development Measles Infectious Disease Research Infectious Agents Mpox Virus Strain Variants Mosquito-borne Diseases Vector Control Mosquito-Borne Viruses Mosquito Behavior Vaccine-Derived Strains Cross-Species Infection Human Infection Animal-to-Human Transmission Vaccination Impact Human Cases Asymptomatic Infections Serology Studies Virus Types Virus Adaptation Mutation of Viruses Vaccine Research
Low vaccination rates plus travel-linked exposures fuel spread, prompting urgent MMR vaccination appeals.