Category Archives: Microbiology

Varicella zoster – three illustrative cases

Guest posting: Dr Holly Jordan, Physician Trainee, John Hunter Hospital, Newcastle, NSW.  Case 1: 76F presents with headache, lethargy and behavioural changes 1 week post developing unilateral vesicular rash of the upper limb. Case 2: u73F presents with 3-4 days … Continue reading

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Spinal tuberculosis update (Pacific Region)

A recent seminar on orthopaedic infections took place organised by the Pacific Islands Orthopaedic Association.  Here is the presentation: Zoom tutorials – Spine TB Ferguson 2020 final_cb.    References are within the presentation.   Some take home messages:  Epidemiology High burdens of latent … Continue reading

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Coronovirus – realistic optimism from Chinese experience – Dr Bruce Aylward, WHO

Dr Bruce Aylward also was on an Australian webinar on 6/3/20 – recording here. 2 March 20:30 GMT — Transmission details emerge from WHO China analysisCOVID China has mounted “perhaps the most ambitious, agile and aggressive disease containment effort in … Continue reading

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Quality microbiological diagnostics and antimicrobial susceptibility testing explained

Our recent ‘Lessons from the Field’ paper is now (freely) available via the Western Pacific Surveillance and Response journal It is focused on implementation of quality testing in Pacific Island nations.  Clinicians and others may be interested in the answers … Continue reading

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Artemisinin derivatives for malaria – tutorial notes from Dan Lennon

Guest posting from Dr Dan Lennon, Microbiology Registrar. Here is another excellent overview of important antimalarials.  Artemisinin Derivatives Lennon 2019.

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Staphylococcus aureus complex – S. argenteus – bug of the week

Guest posting from Dr Dan Lennon, Microbiology Registrar, Pathology North. This species is increasingly recognised now that MALDITOF  mass spectrometry is widely used for bacterial identification. Here is a useful short summary : S argenteus Lennon 2019 Sept. These species … Continue reading

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Cryptocococcal infection bibliography – PNG and Cambodia

I have assembled bibliographies of Cryptococcal literature relevant to: PNG here – https://www.ncbi.nlm.nih.gov/myncbi/collections/58897830/?msg=publicURL Cambodia – https://www.ncbi.nlm.nih.gov/myncbi/collections/58897847/?msg=publicURL Two PNG PhD theses of relevance date from the 1990s – summaries here – the authors published several papers that are within the collection … Continue reading

Posted in Fungi, Module-Mycology | Tagged | 2 Comments

Entamoeba histolytica

Case report 1- SIDG 2017_Dr C Swan Amoebiasis PNG case report:  Multiple liver abscesses: an unusual case which demonstrates the importance of ultrasonography in the detection of liver pathology. Life cycle Rapid diagnostic tests are reliable now – distinguish E. histolytica … Continue reading

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Antimicrobial susceptibility testing – video masterclasses – Fiona Courtney

Consumables for AST – Set up of AST – Reading of the AST result – Thank you Fiona for these excellent explanations!  

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Laboratory diagnosis of fungal disease- selective overview

Organism Microscopy Culture and identification Non-culture methods General Histopath PAS & silver stains etc. K0H with Parker ink (skin scrapings/nails) SAB (Saborauds dextrose agar) medium +/- antibiotics +/- cycloheximide For other media, see here. Blue thymol blue sticky tape preparation … Continue reading

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