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n. pl. safe·ties
1. The condition of being safe; freedom from danger, risk, or injury.
2. A device designed to prevent accidents, as a lock on a firearm preventing accidental firing.


Relative freedom from harm, a term which, in clinical trials, refers to an absence of harmful side effects resulting from use of the product under investigation; it may be assessed by laboratory testing of biological samples, special tests and procedures, psychiatric evaluation, and/or physical examination of subjects/patients.


Public health The state of being secure or safe from injury, harm, or loss; a judgment of the acceptability of risk–a measure of the probability of an adverse outcome and its severity associated with using a technology in a given situation–eg, for a Pt with a particular health problem, by a clinician with certain training, or in a specified treatment setting. See Injury, Injury prevention, Negotiated safety, On-line safety.


n the condition of possessing freedom from being exposed to risk, danger, or harm.


avoidance of occupational, iatrogenic or personal injury.

drug safety
freedom from undesirable side-effects; increases with specificity and selectivity of a drug. See also safety index (below).
safety index
maximum tolerated dose/recommended dose, the doses being expressed in similar terms, e.g. mg/lb, mg/kg.
radiological safety routine
the specific routine to be followed in an x-ray room to ensure minimal risk to all parties.
restraint safety
proper use of appropriate restraint procedure when dealing with any animal.
safety specifications
specifications laid down by a local government authority about the construction and equipment to be used in a radiological facility.

Patient discussion about safety

Q. what measures are in place to ensure the safety of vaccines. Hello there, I read the previous question which was asked by Edmund. This question made me to think, what measures are in place to ensure the safety of vaccines.

A. Not only related to Autism, we have to be very cautious when we vaccine for other diseases too. As with all medical products, vaccines undergo extensive testing to document their efficacy and to explore potential harms. Before a potential vaccine is licensed for use, FDA scientists conduct a thorough and independent review of the testing data and often employ the help of an FDA public advisory review committee. In addition, FDA rigorously oversees the manufacturing process for vaccines used in this country - including approval of each step in the process and on site inspection. Following licensure, vaccines continue to be monitored through information shared by parents, doctors, and other public health officials.

Q. Contact lenses I’m 17 years old girl, and I have glasses since third grade. I never had any real problems with wearing them,. my best friend always encourage me to try contact lenses, but it seems so strange to put something on directly on your eyes- is it safe? How difficult is it to do?

A. Consult your ophthalmologist (eye doctor) before you decide.

More discussions about safety
References in periodicals archive ?
The Aviation Safety Network said 2017 was "the safest year ever, both by the number of fatal accidents as well as in terms of fatalities.
Motorola Solutions delivers, manages and operates large-scale and complex public safety networks throughout the world.
Motorola Solutions (NYSE:MSI), a provider of mission-critical communication solutions and services, announced on Monday that the Norwegian Directorate for Emergency Communication (DNK) has chosen WAVE Work Group Communications from Motorola to deliver enhanced connectivity, interoperability and collaboration for Nodnett, Norway's Terrestrial Trunked Radio system (TETRA) nationwide public safety network.
Engineer Youssef Azzam, head of the Building Safety Network, highlighted the need for the government to consider building special industrial zones, where factories and warehouses would be located.
Nano Safety Network of Iran Nanotechnology Initiative Council organized Iran Nano Safety Congress to identify people who are active in this field, and to exchange data to increase the potential in the field of nanotechnology safety in all aspects, and the importance and necessity of safety in nanotechnology products," he continued.
Airlines around the world had their safest year on record in 2013, with 29 airline accidents last year, resulting in a record-low 265 fatalities, according to the Aviation Safety Network.
Summary: The International Medical Safety Network will be holding its annual meeting alongside the highly anticipated 5th Medication Safety Conference on November 18 and 19 at the St Regis Resort on Saadiyat Island in Abu Dhabi.
Aviation Safety Network ASN: Aviation safety improves in 2011.
The creation of an interoperable wireless public safety network was recommended seven years ago by the 9/11 Commission and long advocated for by NLC and public safety groups.
AHRQ's national Web site--the AHRQ Patient Safety Network, or AHRQ PSNet--continues to be a valuable gateway to resources for improving patient safety and preventing medical errors and is the first comprehensive effort to help health care providers, administrators, and consumers learn about all aspects of patient safety.
Reducing the number of central line-associated bloodstream infections per 1,000 device days to below the current 25th percentile set by the National Healthcare Safety Network by location type.
Danish heating, cooling and drying systems provider Dantherm A/S (OMX Copenhagen:DANTH) said on Monday (6 October) that it has won a DKK30m contract to provide a backup power system for the Danish public safety network, SINE.