penicillin-resistant bacteria.    From Wordnet, Princeton University. 

Wallaby milk contains a compound effective against penicillin-resistant bacteria.    From Wordnik.com.  [2006 April | Futurismic] Reference

These horrors don't go away; they just keep coming back, like penicillin-resistant viruses.    From Wordnik.com.  [An Old Dog No Longer Barks] Reference

It's all rather exciting, since their immune system kills penicillin-resistant staph and the HIV virus.    From Wordnik.com.  [Archive 2005-08-01] Reference

(- T) according to whether x is (is not) treated with penicillin, and R (- R) = according to whether the subject has a penicillin-resistant strain.    From Wordnik.com.  [Scientific Explanation] Reference

ACOSTA: Columbia University researcher Dr. Frank Lowy cautions it's time for East Coast hospitals to be on the look out for the penicillin-resistant staph infection.    From Wordnik.com.  [CNN Transcript Oct 29, 2007] Reference

Playing by the same Darwinian rules of survival as penicillin-resistant bacteria, tumors constantly evolve so that the heartiest, most evasive, and, alas, most malignant tumor cells survive.    From Wordnik.com.  [Vaccinating Against Cancer] Reference

Over a period of time, this bacteria population became penicillin-resistant.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Despite the therapeutic use of penicillin for many years, no penicillin-resistant strains of T. pallidum have been isolated.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Twenty-seven (25. 9\%) were penicillin-resistant strains (19 strains with intermediate resistance and 8 strains with high resistance).    From Wordnik.com.  [BioMed Central - Latest articles] Reference

In the 1990s, one of the first national campaigns to reduce antibiotic prescribing resulted in a decrease in antibiotic use and penicillin-resistant.    From Wordnik.com.  [PLoS Medicine: New Articles] Reference

Of 27 penicillin-resistant strains, 10 (37\%) were resistant to erythromycin, 8 (29. 6\%) to cefotaxime, 2 (7. 4\%) to levofloxacin, and 4 (14. 8\%) were identified as multidrug resistant.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

It is designed to bind the penicillin-resistant targets in many Gram-positive bacteria of the cocci-type, resulting in bactericidal activity towards MRSA and penicillin-resistant Streptococcus pneumoniae.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

Background: The M in MRSA stands for methicillin, the first of the semi-synthetic penicillins, created by Beecham Laboratories in 1960 in response to a worldwide 1950s outbreak of penicillin-resistant staph.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Ceftobiprole is an anti-MRSA broad-spectrum cephalosporin antibiotic exhibiting activity against a wide spectrum of Gram-positive bacteria, including the 'superbug' methicillin-resistant Staphylococcus aureus (MRSA) and penicillin-resistant Streptococcus pneumonia as well as many clinically important Gram-negative bacteria, including.    From Wordnik.com.  [Latest News from SYS-CON MEDIA] Reference

Ceftobiprole is an anti-MRSA broad-spectrum cephalosporin antibiotic exhibiting activity against a wide spectrum of Gram-positive bacteria, including the 'superbug' methicillin-resistant Staphylococcus aureus (MRSA) and penicillin-resistant Streptococcus pneumonia as well as many clinically important Gram-negative bacteria, including Pseudomonas.    From Wordnik.com.  [WebWire | Recent Headlines] Reference

If antibiotics are over-the-counter, then they will be over-used, and / or misused in ways that lead to more antibiotic resistant strains of bacteria (e.g. penicillin-resistant gonorrhea, or.    From Wordnik.com.  [Slashdot: Science] Reference