What are the harms of parrots to people

Parrots may cause respiratory diseases, because there will be dust falling when they fly, so pay attention to ventilation.There are many types of birds. They usually use cage care. Put the food tanks and water tanks, replace it regularly, and pay attention to cleaning the hygiene in the cage.After it is familiar, you can take it out, but don't let it stand too high, especially not standing on top of your head.