They found 34% of Covid-19 survivors received a diagnosis for a neurological or psychological condition within six months of their infection, according to the study published Tuesday in the journal Lancet Psychiatry.

The most common diagnosis was anxiety, found in 17% of those treated for Covid-19, followed by mood disorders, found in 14% of patients.

And while the neurological effects are more severe in hospitalized patients, they are still common in those who were only treated in an outpatient setting, the researchers note.