The briefing cited widespread psychological distress from the immediate health aspects of the virus, the consequences of physical isolation, fear of infection, dying and losing family members, physical distancing from loved ones and peers, and economic turmoil.
Frequent misinformation and rumors about the virus and deep uncertainty about the future are common sources of distress, the UN briefing said.
In every community, there are numerous older adults and people with preexisting health conditions who are terrified and lonely, it said.
Emotional difficulties among children and adolescents are exacerbated by family stress, social isolation, with some facing increased abuse, disrupted education and uncertainty about their futures. Because of the size of the problem, the UN said, most mental health needs remain unaddressed.