Mosquito-Borne Health Alert: The CDC has expanded its active chikungunya travel health notices, adding Mauritius and bringing the total to four simultaneous active destinations (Suriname, Mayotte, French Guiana, and now Mauritius). Local Relevance (French Guiana): French Guiana’s chikungunya notice is dated June 4, 2026, underscoring ongoing regional risk for residents and travelers. Why It Matters for Wellness: Chikungunya spreads via Aedes mosquitoes and is known for weeks of debilitating joint pain, but it’s preventable with strong bite-avoidance habits. Public Health Context: The coverage highlights the widest multi-country spread of concurrent CDC chikungunya warnings since 2005–2006, when outbreaks surged across islands in the Indian Ocean. International Health Cooperation: Separately, NATO’s Vigorous Warrior 26 in Estonia is training military and civilian healthcare teams for mass-casualty medical readiness, reflecting broader preparedness efforts that can inform local wellness planning.