All of the above YES
UHT Milk -YES

The things you need to look at with dairy is: is it pasturised? So no SOFT chesses, no French chesses, goat, brie, etc.
The whole eggmayo will be labelled as such, the normal (Praise, Kraft, ec) Mayo is not egg mayonaise.
Make sure your salad is washed, and try not to eat fresh ham, salami, etc, ESPECIALLY salamis, because of the way they are nade and what they are made from. Its pretty gross actually! lol And they are huge risk of infection.

HTH
x