(Redirected from Opportunistic infections) An opportunistic infection is an infection caused by pathogens (bacteria, viruses, fungi, or protozoa) that take advantage of an opportunity not normally available, such as a host with a weakened immune system, an altered microbiota (such as a disrupted gut flora), or breached integumentary barriers.
If someone is described as being 'rough around the edges' it means they are generally good but have a few faults on the outside. Rough around the edges has many meanings: Worn out; Not polished or refined; Not great but not bad either; ans Unkempt.
flooring over a surface that is very bumpy. The planks are very stiff, when you walk on them, they will flex, and over time, a corner may pop up. If you place this flooring over a rough bumpy surface, you will feel the roughness through the flooring. Decide which way you want the planks to go, either width-wise or length-wise to the room.