BackgroundAsymptomatic and pre-symptomatic SARS-CoV-2 infections may contribute to ongoing community transmission, however, the benefit of routine screening of asymptomatic individuals in low-risk populations is unclear.MethodsTo identify SARS-CoV-2 Remote Bass Control infections 553 seronegative individuals were prospectively followed for 52 weeks
Today we know much about the culture of the Viking Age, but there are still gaps to fill.One of them is what Graduation Cap Topper the legendary weapon called atgeirr in Icelandic sagas really was.Nowadays researchers prefer to view atgeir as a kind of spear.But the defining features of atgeir are not clearly described and the range of different ki
LiDAR systems become more and more popular because of the potential use for obtaining the point clouds of vegetation and man-made objects on the earth surface in an accurate and quick way.Nowadays, these airborne systems have been frequently used in wide range of applications such as DEM/DSM generation, topographic mapping, object extraction, veget
BackgroundCalorie menu labeling is a policy that requires food establishments to post the calories on menu offerings to encourage healthy food choice.Calorie labeling has been implemented in the United States since May 2018 per the Affordable Care Act, but to the best of our knowledge, no studies have evaluated the relationship between calorie labe