Causes and Transmission of Hand, Foot, and Mouth Disease

Hand, Foot, and Mouth Disease is an infectious disease caused by enteroviruses, primarily transmitted through direct contact, droplets, and fecal-oral routes. The virus thrives in moist, warm environments, is sensitive to ultraviolet light and dryness, and can survive for a long time in the natural environment.
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Does the Meningococcal Vaccine Require a Repeat Dose?

Due to the latest expanded program of automatic immunization, the meningococcal vaccine requires four doses. After receiving the third dose, with at least one year’s interval from the second dose, the fourth dose should be administered at the age of 6 to meet the requirement of at least three years’ interval.
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