The idea that vampires burn in the sun is actually a relatively new one. It first appeared in with the film NOSFERATU. Count Dracula, Varney the Vampire, Lord Ruthven & other early vampires could all walk in the sun with no detrimental effect.
BB: Masks worn by doctors during the Plague. The protective suit of the plague doctor consisted of a heavy fabric overcoat that was waxed, a mask with glass eye openings and a cone nose shaped like a beak to hold scented substances and straw.