The pneumococcal vaccine can protect you from an infection caused by the bacteria Streptococcus pneumoniae or pneumococcus. (Photo Credit: Bernard Chantal/Dreamstime) Pneumococcal disease can ...

because an efficient vaccine for leptospirosis has been available for the past 20 years. Leptospirosis is an illness caused by a bacteria called leptospira that can be present in soil and stagnant ...