Acne vaccines are currently undergoing trials by several pharmaceutical companies, offering the possibility of effective prevention, though verification will take time.

"Tet is a time for family reunions, so we often stay up past midnight," shares Hoang Oanh, 36, from Nghe An.

After experiencing four recurrences of genital warts within one year despite various treatments, 24-year-old Manh Ninh gradually lost his self-confidence.

Every year, 19-year-old Jennifer Kieu and her sister, from Arizona State, United States, travel to Ho Chi Minh City for a one-month break, combining family visits, tourism, and essential vaccinations.