• Expanded HIV and Clinical Virology revision content. • Now includes 310 topics, 265 audio recordings, 7,903 MCQs and 621 image cards. • Improved search scrolling and navigation. • Added quiz progress reset controls and updated privacy information. • Find Info, Data and Privacy Policy in Settings.

Added topics for botulism, tetanus, bacterial vaginosis, trichomonas topics - for a total of >200 - along with audio summaries, and +150 MCQs.

v0.4.5 - Addition of topics and audio summaries for CCHF, Babesiosis, Anaplasmosis, and Ehrlichosis. - Further curation of additional 150 images for Tropical Images Quiz. - UI improvements to the MCQ module.

Bug fixes to MCQ module.

- Updated audio handling so only downloads audio summaries when requested and they auto-delete after 30 days. - Added topics with audio summaries and MCQs for hantavirus, ebola and lassa.

Topics, audio summaries and MCQs added for Aeromonas, Pneumocystis, and Candida Added public health topics and audio summaries, designed for short essay questions Added a Guideline section with 30 guideline topics, audio summaries, and 450+ Guideline MCQs Added within-topic search functionality Added a tropical image section to MCQs with 400+ tropical images Added curated images across relevant Tropical topics Added 150 MCQs on vector-disease associations Added image descriptions, distinguishing features, and attribution/licensing in topic image viewer Fixes for audio player, MCQ tracking, and minor content changes

Added a Guideline section with 30 guideline topics, audio summaries, and 900+ Guideline MCQs Added a tropical image section to MCQs with 400+ tropical images Added within-topic search functionality Added curated images across relevant Tropical topics Added 150 MCQs on vector-disease associations Added image descriptions, distinguishing features, and attribution/licensing in topic image viewer Fixes for audio player, MCQ tracking, and minor content changes

- Added a Guidelines section with 30 topics, audio summaries, and 450+ guideline MCQs - Added a Tropical image MCQ section with 400+ curated images - Expanded tropical image explanations with clearer morphology-focused descriptions and hints - Added curated topic images across Tropical and vector-related topics - Added 150 MCQs on vector-disease associations - Added within-topic search - Added image descriptions, distinguishing features, disease associations, and attribution/licensing in the topic image viewer - Improved bundled image metadata and refreshed curated image sets across relevant topics - Fixed audio player issues, MCQ tracking, and minor content/UI issues

- Added 600+ new MCQs, for a total of >3000. - Improved audio compression to reduce app size by 35% - Minor content fixes

- Minor UI and content fixes. - Topic specific MCQs can be launched from topic page. - Improved search functionality. - Added diphtheria topic and audio summary.

- Further review of MCQs

• Added 2000 MCQs • Added bacterial topics and audio summaries: S. aureus, Group A Strep, C difficile, Listeria, Legionella, Pneumococcus, Meningococcus, Group B Strep • New topic and audio summary for Malaria • Updated Tuberculosis

2000 MCQs added and new bacterial topics.

v0.2.0 - MCQ module added - >350 questions.

Improved audio player to allow background playing.

Minor fixes to topics, UI and formatting. Feedback button added to sidebar. Integrate audio playback into iOS native player. NB There is a known bug whereby the audio appears in the playback bar on lock screen but pause/button does not work.