" Quite simply, I'd say: "I need to eliminate that tick that is been biting me all day." I wouldn't say: "I must be free from that tick." And that's why I would use "rid of" with a cold, as an alternative to "free" (it does not matter whether of https://energyefficiencygrants.blogspot.com/2025/06/a-greener-scotland-begins-at-home.html