Here are a few options for a formal, academic-style title, depending on your focus:
Option 1 (Direct and authoritative):
Xenophobia as a Public Health Crisis: Escalating Violence, Misinformation, and Healthcare Barriers in South Africa
Option 2 (More concise):
The Public Health Implications of Xenophobia in South Africa: An Analysis of Systemic Healthcare Barriers and Escalating Violence
Option 3 (Focusing on the warning/report):
HW4P Issues Warning on South Africa’s Xenophobia Crisis: The Intersection of Violence, Misinformation, and Healthcare Obstruction
Recommendation: Option 1 is the most standard and professional choice for a report or formal article.