Background: Monovalent booster/additional doses of COVID-19 vaccines were first authorized in August 2021 in the United States.We evaluated the real-world effectiveness of receipt of a monovalent booster/additional dose of COVID-19 vaccine compared with receiving a primary vaccine series without a booster/additional dose.Methods: Cohorts of individ
Accurate estimates of tree biomass are critical for forest managers to assess carbon stock.Biomass of Chinese fir (Cunninghamia lanceolata [Lamb.] Hook.) in southern China was assessed by three alternative methods.In the Separate model approach, total Urinal Screens and component tree biomass was directly predicted from a regression equation as a f
To recover coal resources that have been damaged by traditional mining methods and ensure stability of the lower roadway in a small pit goaf, the goaf area must be filled and reinforced.In this research, the 1202 working face of the Seam Rippers Hanzui mine is considered as an example for classifying the roof of the mining tunnel under the small ki
Abstract In this paper, the survey conducted by the government aimed at collecting fundamental statistics on housing is referred to as the “national housing statistics survey.” The purpose of this study is to clarify the background of the discussions on the national housing statistics survey in Japan and how these discussions were Pressure Swit