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519,064 articles
Influenza vaccine, inactivated
Inactivated influenza vaccine (IIV, flu shot): killed-virus injectable vaccine in whole virus, split virion, and subunit forms, 15 µg HA per strain, given annually from age 6 months; pooled efficacy 59% in adults 18–65.
Influenza vaccine, live, intranasal
Influenza vaccine, live, intranasal (FluMist, MedImmune/AstraZeneca) is the only US nasal spray flu vaccine, a cold-adapted live attenuated vaccine for ages 2-49, FDA approved 2003, self-administered since 2024.
Influenza virus vaccine
Influenza virus vaccine: annual vaccine against influenza A and B, given from age 6 months. Types include inactivated (Fluvirin, Flucelvax), live nasal FluMist, recombinant Flublok, and mRNA mFlusiva (2026).
Influenza-like illness
Influenza-like illness (ILI) is a syndromic surveillance category defined by fever plus cough (WHO: ≥38°C; CDC: 100°F with cough or sore throat), tracked via ILINet, GISRS, and sentinel networks to monitor influenza epidemics without lab confirmation.
InfluxData
InfluxData is a San Francisco software company founded in 2012 that develops InfluxDB, an open source time series database for time-stamped data from sensors, applications, and servers.
InfluxDB
InfluxDB is an open source time series database developed by InfluxData, first released in 2015 and optimized for fast storage and retrieval of monitoring metrics, IoT sensor data, and real-time analytics.
Info Edge
Info Edge (India) Limited is an Indian internet company operating the job portal Naukri.com, alongside 99acres, Jeevansathi.com, and Shiksha, listed under the symbol Naukri.
InfoBionic
InfoBionic, rebranded as InfoBionic.Ai in 2024, is a digital health company founded in 2011 in Chelmsford, Massachusetts, offering remote cardiac arrhythmia monitoring via its MoMe ARC platform.
Infocom
Infocom, Inc. was a software publisher based in Cambridge, Massachusetts, active from 1979 to 1989, known for text adventure games like the Zork trilogy, built on its portable Z-machine virtual computer.
InFocus
InFocus is an American audiovisual technology company founded in 1986 in Oregon by Steve Hix and Paul Gulick, known for projectors including the first digital and DLP projectors.
Infodumping
Infodumping (info dump) means either a block of exposition that halts a story to deliver background information, a pejorative writing-craft term from 1970s SF, or, in autistic and ADHD communities, enthusiastically sharing detailed knowledge of a special interest.
Infoglobal I-22 Sikatan
The Infoglobal I-22 Sikatan is a proposed Indonesian twin-engine, tandem-seat light fighter unveiled as a mock-up at Indo Defence 2022 in Jakarta, with a prototype expected in 2025–2026.
Infographic
Infographic (information graphic): a visual representation of information or data combining text, charts, icons, and illustrations to make a point. Distinguished from data visualization by argument-driven, aesthetic design; history spans cave art to Playfair, Minard, Isotype, and digital tools.
Infogrid
Infogrid is a London building-intelligence startup founded in 2018 by William Cowell de Gruchy that uses IoT sensors and AI to monitor commercial buildings; it rebranded as Noda in 2024.
Infomax (independent component analysis)
Infomax is an unsupervised independent component analysis algorithm introduced by Anthony Bell and Terrence Sejnowski in 1994, which separates linear mixtures of unknown signals into statistically independent components by maximizing output information.
Infomercials
Infomercials are long-form television advertisements, typically 28-30 minutes, styled as talk shows or demonstrations. Emerging after 1984 US deregulation, they average 5.82 information cues and face FTC paid-advertisement disclosure rules.
Infor
Infor, also known as Infor Global Solutions, is an American enterprise software company selling industry-specific cloud ERP applications; founded in 2002 as Agilisys, it has been a wholly owned subsidiary of Koch Industries since 2020.
Inforcer
Inforcer is a London-based software company, launched in 2023, that sells managed service providers a multi-tenant platform for Microsoft 365 security and AI management, raising a $50 million Series C in 2026.
INFORM (Long Island)
INFORM (INformation FOR Motorists), formerly the Integrated Motorist Information System, is a corridor traffic management system run by the New York State DOT on Long Island since 1987.
Informal economy
The informal economy, also known as the gray economy, covers workers and firms not covered by formal arrangements in law or practice, excluding illicit activities.
Informal fallacy
Informal fallacy: a fault in reasoning detectable only through an argument's content or context, not its logical form; distinct from formal fallacies. Standard examples include ad hominem, slippery slope, and hasty generalization.
Informant
Informant: a person supplying criminal information to law enforcement, also called a confidential informant (CI) or FBI confidential human source (CHS). Distinguished from tipsters by personal gain; governed by DOJ guidelines, with documented oversight failures.
Informant interview
An informant interview is an in-depth qualitative interview with someone chosen for first-hand knowledge about a group, used to describe it rather than measure a population.
Informatica
Informatica is an American enterprise data management software company in Redwood City, California, founded in 1993 and known for its IDMC cloud platform and data integration.
Informatics
Informatics is the discipline concerned with conceiving, designing, and understanding computational structures, information processes, and systems, about 75 years old and centered on data, information, and knowledge.
Information
Information is a quantifiable measure of resolved uncertainty, formalized by Claude Shannon in his 1948 paper A Mathematical Theory of Communication, with the entropy formula and the bit as its unit.
Information Age
The Information Age, also called the Silicon Age or Digital Revolution, is the historical period since the mid-twentieth century defined by information as the main driver of economic value.
Information and communications technology
Information and communications technology, or ICT, is an umbrella term for the technologies used to manipulate and communicate information, covering telecommunications, computing, broadcasting, and electronic processing of information.
Information and media literacy
Information and media literacy (MIL) is the composite competency of accessing, analyzing, evaluating, and creating media and information content. UNESCO unifies media and information literacy; meta-analyses of 51 and 160 interventions show positive but modest effects, strongest on knowledge.
Information architecture
Information architecture (IA) is the structural design of shared information environments through organization, labeling, navigation, and search systems, a discipline popularized by Richard Saul Wurman and defined by Rosenfeld and Morville's 1998 book.