My father ,age 50 had fever 3 days ago . He had body ache with fatigue .I gave paracetamol and it get relieve but he still weak and after fever ,a  small degree chest pain occurs in lower chest . Some time chest pain goes away but at night as he lying chest pain occur again . Ha can not lying by either side . He feel pressure in chest and always say ,put some heavy stuff on my chest . What should I do,bcz it's a Corona time and doctors are very busy in this pandemic. Can I do something at home.Plz help