इन्टूसुसेप्शन (intussusception) से पीड़ित मरीजों में अक्सर खूनी, करंट-जेली जैसे मल की शिकायत होती है। इस खूनी मल के पीछे का प्राथमिक अंतर्निहित कारण क्या है?

You are assessing a 7-month-old infant. Which of the following findings would be considered the most significant red flag for neurological dysfunction?

A 5-year-old child is exposed to measles at school. The healthcare provider recommends administration of the measles vaccine within 72 hours. Which immunoprophylactic principle is being applied in this scenario?