BRAINCAKEMRSA and C. difficile
Antibiotic resistance is a particular problem in hospitals and care homes. Older people need antibiotics more often as they are more vulnerable to infections because their immune systems naturally weakens with age, a process called immunosenescence.
MRSA and C. difficile are two examples of bacteria that have become a problem due to antibiotic resistance.
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Key terms in this lesson
- natural selection
- The process by which organisms with advantageous alleles are more likely to survive and reproduce, passing those alleles to their offspring and changing allele frequency over time.
More in Communicable Diseases
- Auto-Immune Diseases
- Natural Immunity
- Artificial Passive Immunity
- Artificial Active Immunity
- Vaccines
- Sources of Medicines
- Drug Design
- Antibiotic Resistance
All 40 lessons in Communicable Diseases · All OCR AS-level Biology topics