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An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic. [1] Due to the long time spans, the first plague pandemic (6th century – 8th ...
Scribbage (also marketed as Ad-Lib Crossword Clues) is a classic dice word game published in 1959 by the E.S. Lowe Company. Thirteen dice are rolled which have various letters on each side. Each letter is given a point value depending on its frequency in the English language. A timer is flipped and the player has to put the dice into words ...
An epidemic (from Greek ἐπί epi "upon or above" and δῆμος demos "people") is the rapid spread of disease to a large number of hosts in a given population within a short period of time. For example, in meningococcal infections , an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic.
From contemporary descriptions, the disease is believed to have been bubonic plague, which is caused by the bacterium Yersinia pestis, carried by fleas associated with the black rat and other rodents. The city was crippled by the epidemic, which recurred fitfully into the early 1680s, claiming an estimated 76,000 residents.
[2] [3] It is the rapid spread of illness signs and symptoms affecting members of a cohesive group, originating from a nervous system disturbance involving excitation, loss, or alteration of function, whereby physical complaints that are exhibited unconsciously have no corresponding organic causes that are known.
In epidemiology, force of infection (denoted ) is the rate at which susceptible individuals acquire an infectious disease. [1] Because it takes account of susceptibility it can be used to compare the rate of transmission between different groups of the population for the same infectious disease, or even between different infectious diseases.
An epidemic curve, also known as an epi curve or epidemiological curve, is a statistical chart used in epidemiology to visualise the onset of a disease outbreak. It can help with the identification of the mode of transmission of the disease. It can also show the disease's magnitude, whether cases are clustered or if there are individual case ...
The relative proportion of the probabilities with a main of 7 and a chance of 5 is main ⁄ chance which is 6 ⁄ 4 or, simplified, 3 ⁄ 2. Assuming an odds stake of £10, a caster stands to win £15 ( 3 ⁄ 2 × £10) with a main of 7 and a chance of 5; with the same stake, a main of 5 and a chance of 6, they could win £8 ( 4 ⁄ 5 × £10).