Ed, actually I prefer "spreads", or even "tends to spread", rather than "has spread". Remember, we are not just describing existing diseases, but also future, yet undiscovered ones. --[[User:LeonardO|Leo-from-UK]] 14:04, 24 June 2011 (EDT) | Ed, actually I prefer "spreads", or even "tends to spread", rather than "has spread". Remember, we are not just describing existing diseases, but also future, yet undiscovered ones. --[[User:LeonardO|Leo-from-UK]] 14:04, 24 June 2011 (EDT) |