Chikungunya vaccination service

• Infected Mosquito Bites: The virus is passed to humans through the bite of infected female mosquitoes—primarily Aedes aegypti and Aedes albopictus (the Asian tiger mosquito). These mosquitoes are aggressive daytime biters, with peak feeding activity occurring during the early morning hours and late afternoon before dusk.

• Urban and Suburban Breeding Sites: Aedes mosquitoes thrive in populated environments because they lay their eggs in small, stagnant collections of water found in everyday artificial containers, such as flower pots, buckets, discarded tires, blocked roof gutters, and unsealed water storage barrels.

• Rare Transmission Routes: In very rare instances, transmission can occur through infected blood transfusions, laboratory needle-stick accidents, or vertically from an infected pregnant mother to her newborn infant during delivery. Mosquito bites remain the overwhelming cause of global spread.

Once bitten by an infected mosquito, symptoms typically appear after an incubation period of 3 to 7 days (ranging from 2 to 12 days). Common signs include:

• Sudden onset of a high fever, often accompanied by chills.

• Debilitating, intense joint pain (arthralgia) that typically affects multiple joints symmetrically (such as hands, wrists, ankles, and feet) and can persist for weeks, months, or even years.

• Severe muscle aches, fatigue, headaches, nausea, and a widespread flat red skin rash (maculopapular rash) over the trunk and limbs.

Note: While chikungunya is rarely fatal, the persistent, chronic joint pain can severely impair mobility and quality of life long after the acute fever has subsided.

Because there is no specific antiviral treatment for chikungunya once infected, proactive protection is critical:

1. Chikungunya Vaccination: Getting the modern Chikungunya Vaccine (such as Ixchiq) provides active immunological defense and proactive protection before you travel to endemic regions.

2. Strict Daytime Mosquito Bite Avoidance: Because the vector mosquitoes feed during daylight hours, physical barriers and repellents are vital:

   • Apply high-strength DEET-based insect repellent to all exposed skin regularly.

   • Wear light-colored, long-sleeved shirts, long trousers, and socks when outdoors.

   • Stay in accommodations equipped with window screens, air conditioning, or bed nets if rooms are not fully sealed.

Chikungunya is widespread across tropical, subtropical, and increasingly temperate regions worldwide:

• Tropical and Subtropical Zones: Widespread across countries in Southeast Asia, the Indian subcontinent, Central and South America, the Caribbean, and sub-Saharan Africa.

• Emerging European Risk Zones: Autochthonous (local) transmission and outbreaks have occurred during warmer summer and autumn months in parts of southern Europe, including regions of Italy, France, Spain, and Croatia.

• Indian Ocean Islands: Historical and recurring outbreaks across islands such as Réunion, Mauritius, Mayotte, and the Seychelles.