Among cases in which a bacteriological aetiology is identified, Streptococcus pneumoniae is a common cause of community-acquired pneumonia, [6] especially in the elderly, under conditions of ...

Drug resistance associated with dihydrofolate reductase (DHFR) has emerged as a critical issue in the treatment of bacterial infections. In our efforts to understand the mechanism of a drug-resistant ...

Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and trouble breathing.

Normal urine color ranges from pale yellow to deep gold. Urine that’s abnormally colored may have tints of red, orange, blue, green, or brown. Abnormal urine color can be caused by a variety of ...

Has your urine color changed from its usual hue? Find out what causes bright-yellow urine, from dietary changes to underlying conditions, and how doctors treat each cause.