I understand your situation , how was your lock down period. If he didn’t get social interaction for long . This may be the starting phase for him to reflect his fears. Increase his physical activity and try to take him out or familiarise him with the things in the world around him.
He should be able to get used to slowly. Be patient
Next Steps
You can reach out to us. We can interact to understand the things better
Health Tips
Try Online appointment: Ms. Neha Ravichandran
https://www.practo.com/bangalore/therapist/mrs-neha-ravichandran-psychologist