You've switched pretty recently, right? It'll take a while to get your sense of taste back properly. Hang on in there, and in the meantime maybe try some of the bolder flavours (watch out for tank crackers). Actually, given the sore throat thing, if you're not gnawing the curtains for want of nicotine, maybe try the stronger flavours and a lower nic content?
I was fortunate enough to lose little of my sense of taste or smell after 15+ years of smoking, but I can see how it could make the switch to vaping more difficult. Stick with it! We're all behind you!