About 0.7 percent of children in China aged 6 to 12 — and 1.15 percent of 10- and 11-year-olds in Greece — have autism, figures that are consistent with prevalence estimates elsewhere.

Like so many other events this year, autism’s biggest annual conference — the International Society for Autism Research meeting — was forced to go virtual because of the coronavirus pandemic.

A common autism screening tool misses more than 70 percent of autistic toddlers but flags more than 80 percent of non-autistic toddlers who have intellectual disability.

Intellectually or developmentally disabled group-home residents are dying from COVID-19 at twice the rate of all New Yorkers with the virus.

Nearly two dozen autistic people or their caregivers in 19 countries told Spectrum how the initial weeks of the pandemic have challenged and changed them.

A new study highlights the challenge of distinguishing genetic variants linked to autism from those associated with cognitive development.

Living in close quarters, with rotating staff and sometimes inadequate protective equipment, group-home residents are especially vulnerable to COVID-19.

Standardized tests can reliably assess memory, language ability, executive function and other traits in people with intellectual disability linked to autism.

Doctors often conflate autism and intellectual disability, and no wonder: The biological distinction between them is murky. Scientific progress depends on knowing where the conditions intersect — and part ways.

Too few students with autism or intellectual disabilities have sex education. That omission may prevent them from forming fulfilling romantic relationships, and it may make them targets of abuse.