Which method helps prevent communicable diseases? A. Immunization exemptions B. High rates of vaccination C. Disease diagnosis D. Hospitalization

The correct answer is B. High rates of vaccination.<br /><br />Vaccination is one of the most effective ways to prevent communicable diseases. By administering vaccines, the immune system is stimulated to produce a response against specific pathogens, which helps to build immunity and prevent the spread of diseases. High rates of vaccination in a population can lead to herd immunity, where even those who cannot be vaccinated (e.g., due to medical conditions or age) are protected from the disease.<br /><br />Option A, immunization exemptions, refers to allowing certain individuals to opt out of vaccination based on specific reasons, such as religious or philosophical beliefs. While exemptions may be granted in some cases, they can potentially increase the risk of disease outbreaks if a significant portion of the population is not vaccinated.<br /><br />Option C, disease diagnosis, is the process of identifying the presence or absence of a disease based on symptoms, medical history, and diagnostic tests. While early diagnosis is crucial for effective treatment and management of diseases, it does not directly prevent the spread of communicable diseases.<br /><br />Option D, hospitalization, refers to the admission of a patient to a hospital for medical treatment. While hospitalization can provide care and treatment for individuals with communicable diseases, it does not directly prevent the spread of these diseases.<br /><br />Therefore, the correct answer is B. High rates of vaccination.