What are the absolute must-have vaccinations and health precautions for a first-time trip to Pakistan?

I'm finally planning my dream trip to Pakistan for next fall, focusing on the northern areas, but I'm a bit overwhelmed by the health advice online. I want to make sure I'm fully prepared regarding vaccinations, any necessary medications for altitude or stomach issues, and general hygiene tips to stay healthy throughout my journey. What are your essential health recommendations for a first-timer heading to Pakistan?