Travel-associated infections in migrants are complex for various reasons. Epidemiology can be affected by changing trends in the migrant's country of origin, such as those with HIV originating from sub-Saharan countries. read with interest the Article by Patricia Schlagenhauf and colleagues x1 See all References 1 about travel-associated infection presenting in Europe.
live load. 1  Engineering any load not constant in its application, as the moving traffic carried by a bridge or other structure in addition to its own weight. 2  A moving, variable weight added to the dead load or intrinsic weight of a structure or vehicle.
-Mike Z. A conversion from pounds per square feet (psf) to pounds per linear feet plf is necessary to design, for example, a beam.  ---Take a 15 foot floor beam for example: live load plus dead load is say, 100 psf. lets say this beam's tributary area is 8 ft (meaning it supports all loads 4ft on either side).