BACKGROUND Influenza (flu) surveillance using Twitter data can potentially save lives and increase efficiency by providing governments and healthcare organizations with greater situational awareness. However, research is needed to determine the impact of Twitter users' misdiagnoses on surveillance estimates. OBJECTIVE This study establishes the importance of Twitter users' misdiagnoses by sho...

this study was conducted to determine the effects of the combined use of rain shelters (rs) and deficit irrigation (di) on tomato yield and quality characteristics. two experiments with different treatments were conducted in the southern china during the growing season in 2011 and 2012. the crops were irrigated to field capacity once average soil water content at the 0-60 cm layer in the treatm...

Extreme droughts and heat waves due to climate change may have permanent consequences on soil quality and functioning in agroecosystems. During November 2010 to August 2011, the Southern High Plains (SHP) region of Texas, U.S., a large cotton producing area, received only 39.6 mm of precipitation (vs. the historical avg. of 373 mm) and experienced the hottest summer since record keeping began i...

background: visceral leishmaniasis (vl) or kala-azar is a parasitic disease caused by the species of leishmania donovani complex . it is endemic in some parts of provinces of iran. according to the reported cases of vl in kermanshah province in recent years, this study was conducted to determine the seroprevalence of vl in high risk villages of the province. methods: totally, 1622 serum samples...

Objective The primary objective of this study was to document the hospitalization rate due to respiratory syncytial virus (RSV) and compliance with palivizumab use in preterm infants receiving palivizumab immunoprophylaxis during 2009-2012 RSV seasons. Design This is a descriptive single-center cohort study. Infants who were ≤35-week gestational age were eligible for enrollment if they receiv...

In December 2011/January 2012 we have released the main deliverable of the project "PolNet Polish WordNet". It was first presented and distributed (as PolNet 1.0) at the 5th Language and Technology Conference in Poznań (2011) and (informally, with kind permission of the organizers) distributed during the Global Wordnet Conference in Matsue, Japan, in January 2012. We intend to present to the pa...

Exercise 2 Suppose a certain drug test is 99% accurate, that is, the test will correctly identify a drug user as testing positive 99% of the time, and will correctly identify a non-user as testing negative 99% of the time. Let’s assume a corporation decides to test its employees for opium use, and 0.5% of the employees use the drug. We want to know the probability that, given a positive drug te...