State microbe is noteworthy because it is: the first significant antibiotic discovered after penicillin; the first systemic antibiotic discovered in America; the first antibiotic active against tuberculosis; first-line treatment for plague. Moreover, New Jersey was the home of Selman Waksman, who was awarded the Nobel Prize in Physiology or Medicine for his systematic studies of antibiotic production by "S. griseus" and other soil microbes. On May 15, 2017, Senate Bill 3190 (S3190) was introduced by Senator Samuel D. Thompson (R-12); the bill designates "Streptomyces griseus" as the New Jersey State Microbe, to be added to the state's other state symbols. On June
Antibiotic levels in the blood. Women with menstrual irregularities may be at higher risk of failure and should be advised to use backup contraception during antibiotic treatment and for one week after its completion. If patient-specific risk factors for reduced oral contraceptive efficacy are suspected, backup contraception is recommended. In cases where antibiotics have been suggested to affect the efficiency of birth control pills, such as for the broad-spectrum antibiotic rifampicin, these cases may be due to an increase in the activities of hepatic liver enzymes' causing increased breakdown of the pill's active ingredients. Effects on the intestinal flora, which might