Step 1: Understand the question.
We need the country that launched landmark pediatric gene therapy projects for autism and rare brain disorders in 2026.
Step 2: Identify it.
The United Arab Emirates (UAE), through its health authorities in Abu Dhabi and Dubai, launched this project.
Step 3: Its aim.
The programme targets genetic markers linked to autism and rare neurological disorders in children, using its national genome data.
Step 4: Rule out others.
Germany, Italy and Switzerland have strong biotech sectors, but this specific 2026 state-led pediatric launch was in the UAE.
Step 5: Conclude.
The country is the UAE.
Answer: UAE