Pfizer Inc. said its experimental Lyme disease vaccine was 73% effective against the tick-borne illness, though fewer-than-expected cases in a study made it hard to determine how well it works on a large scale.
(Bloomberg) Pfizer Inc. said its experimental Lyme disease vaccine was 73% effective against the tick-borne illness, though fewer-than-expected cases in a study made it hard to determine how well it … [+4993 chars]
