Encyclopedia of Plagues

Explore pandemics, epidemics and their historical and scientific context. This is a reference encyclopedia, not personal medical advice. Read 126 articles, search for a topic, and save discoveries to revisit. START WITH FIVE FREE ARTICLES New readers choose five distinct articles from the library. Chosen articles stay unlocked and can be revisited without spending another choice. Existing readers keep their previous allowance, and eligible earlier purchases remain protected. EXPLORE AND RETURN Search article titles and full text. Discover connections through maps, timelines and graphs where the collection has relevant information. Save articles and return to recent reading or your last reading position. Optional reminders help you return to the library. OFFLINE ENCYCLOPEDIA One-time ownership unlocks the full encyclopedia for offline reading. Eligible historical purchases can be restored from Restore Purchases in Settings or on the upgrade screen. PREMIUM AI Premium includes full offline access and AI chat about this encyclopedia’s subject. Chat requires internet access. Monthly and annual subscriptions offer a three-day introductory trial for eligible new subscribers. Prices and billing periods appear on the purchase screen. Subscriptions renew automatically unless canceled through your App Store account; trials are subject to Apple eligibility. SOURCES AND SUPPORT Reference text and images are drawn from licensed sources including Wikipedia and Wikimedia Commons. Source, author and license credits are available in the app. AI answers can be wrong and should be checked against the referenced articles. Privacy Policy: https://goodspider.net/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://goodspider.net/support/