Bacteria.si
Bacteria, infections, and the microbiome, explained clearly
From gut flora to antibiotic resistance - understand how bacteria work, how infections happen, and what the microbiome actually does. Educational microbiology, not medical advice.
No card required · $9/mo Plus · $99/mo Premium
What you get
Everything Bacteria.si gives you
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Infection mechanisms
How bacteria cause disease, explained step by step.
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Microbiome deep dives
What gut, skin, and oral bacteria actually do for you.
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Antibiotic resistance explained
How resistance develops and why it matters globally.
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Saved study threads
Sign in free and keep every conversation for later study.
Pricing
Simple plans that grow with you
Most popular
Plus
$9/mo
- ✓200 questions per day
- ✓Full saved conversation history
- ✓Structured mechanism breakdowns
Premium
$99/mo
- ✓Unlimited questions
- ✓Extended deep-dive answers
- ✓Everything in Plus