10-5 Tuberculosis (Cambridge AS A Level Biology, 9700) скачать в хорошем качестве

10-5 Tuberculosis (Cambridge AS A Level Biology, 9700)

0.00 Causative pathogens for TB Mycobacterium tuberculosis or Mycobacterium bovis 1:00 How does TB spread? For M.tuberculosis : release of airborne droplets containing the pathogen and inhaled by another person For M.bovis: infected cattle/cow contain pathogens and we ingest milk or meat containing these pathogens 2:43 Symptoms of TB, when does latent TB become a problem? 6:50 Treatment of TB Different types of antibiotics given simultaneously over a 6-9 month period DOTS 11:25 How to prevent spread of TB quarantine contact tracing vaccine for M.bovis: destroy infected cattle and pasteurize milk improve nutrition improve housing condition people with HIV should be started on ARTs to prevent weakening of immune system 17:37 why is it difficult to eradicate TB? TB easily spreads (airborne) many malnourished populations rise in HIV cases mass migration of people Mycobacterium evolve to become antibiotic resistant