Here is a case of mucopus constantly draining into the back of the nose and down into the throat. It can drop into the lungs via the voice box. It's why sinusitis and bronchitis are related. The arrow points to the stream of infective fluid draining down from the sinuses into the back of the throat.
Freedom day may have come and gone but some new practices that have evolved during the pandemic are here to stay. Remote consultation is easier all round. Zoom is great, particularly with the digital endoscope I send to people to use on themselves. We share their input with the camera and I can see the back of the throat and into the nose very easily. Not the best view but not bad. The ear is a bit too delicate so we do that face to face. I'm keen to do 75% of my consultation