Finally, we review the main prophylactic strategies and current vaccine candidates against both hRSV and hMPV.Within this study, monolithic three-dimensional silica aerogel (SA) composite parts with super insulating properties are presented. A generic part based on fiber-reinforced (FR) silica aerogel for thermal insulation of the exhaust tubing system-to keep the exhaust gases as hot as possible to improve the efficiency of the catalyst system-was produced via a sol-gel-based molding process in combination with a supercritical drying using scCO2. A thermal conductivity of 16 mW m-1 K-1 was measured via a heat flow meter technique. In this manuscript, we present a full cycle of the material compound design, starting with fundamental material evaluation including aerogel optimization, opacifier influence, and casting process. The obtained generic part in shape of a half-shell for pipe insulation is characterized under real conditions.Micro-surfacing (MS), made of emulsified asphalt, is the most commonly used preventive maintenance technology in asphalt pavement. However, the studies on profile features of MS based on aggregate morphology are few. This study evaluated the profile features of MS and its effect on skid resistance. ITD-1 The aggregate morphologies were first characterized and modified emulsified asphalt was prepared. The three-dimensional profile features of four kinds of MS samples were captured by laser texture scanner. Results illustrate that steel slag aggregate can be used to enhance the skid resistance of pavement surface and bring about larger profile indexes than basalt and limestone due to its angularity index and flatness values. Further aging of steel slag to eliminate free calcium oxide (f-CaO) is recommended before being used in pavement surface layer.This study investigated the pore structure and its effects on mechanical properties of lightweight cellular concrete (LCC) in order to understand more and detailed characteristics of such structure. As part of investigation, environment scanning electron microscopes (ESEM) and industrial high-definition (HD) macro photography camera were separately used to capture and compare images of specimens. Physical properties of the pore structure, including pore area, size, perimeter, fit ellipse, and shape descriptors, were studied based on the image processing technology and software applications. Specimens with three different densities (400, 475, and 600 kg/m3) were prepared in the laboratory. Firstly, the effects of density on the characteristics of pore structure were investigated; furthermore, mechanical properties (compressive strength, modulus of elasticity and Poisson’s ratio, flexural strength and splitting tensile strength of LCC) were tested. The relationships among pore characteristics, density, and mechanical properties were analyzed. Based on the results obtained from the lab test-comparisons made between specimens with high-densities and those with low-densities-it was found significant variability in bubble size, thickness, and irregularity of pores. Furthermore, the increase of density is accompanied by better mechanical properties, and the main influencing factors are the thickness of the solid part and the shape of the bubble. The thicker of solid part and more regular pores of LCC has, the better mechanical properties are.Forming processes influence the mechanical properties of manufactured workpieces in general and by means of forming-induced initial damage in particular. The effect of the latter on performance capability is the underlying research aspect for the investigations conducted. In order to address this aspect, fatigue tests under compressive, tensile and compressive-tensile loads were set-up with discrete block-by-block increased amplitudes and constant amplitudes, and performed up to fracture or distinct lifetimes. Aiming at the correlation of the macroscale mechanical testing results at the mesoscale, intensive metallographic investigations of cross-sections using the microscopical methods of secondary electron analysis, energy dispersive spectroscopy and electron backscatter diffraction were performed. Thereby, the correlation of forming-induced initial damage and fatigue performance was determined, the relevance of compressive loads for the cyclic damage evolution was shown, and material anisotropy under compressive loads was indicated. Finally, the need was addressed to perform further investigations regarding crack propagations and crack arrest investigations in order to clarify the mechanism by which initial damage affects cyclic damage evolution. The relevance of the principal stress axis relative to the extrusion direction was emphasized and used as the basis of an argument for investigations under load paths with different stress directions.(1) Objective The aim of this study was to determine the cost of blood and body fluid (BBF) occupational exposure management in healthcare facilities in Beijing, China. (2) Methods A survey was conducted from August to October 2018, seeking general information concerning the management of occupational exposure to BBF and the cost of the management process. In total, 216 healthcare facilities were surveyed, using a stratified-selection method. The collected information included BBF management protocols, direct costs such as laboratory testing fees, drug costs and medical service fees, as well as indirect costs, such as wages, lost working time, injury compensation, and psychological counseling time. (3) Results The cost of post-BBF exposure management varied according to the infection status of the exposure source patients, the immune status of exposed employees, and the location and level of healthcare facilities. The mean values of management cost were determined to be hepatitis B (HBV)-positive source (RMB 5936/USD 897), hepatitis C (HCV)-positive source (RMB 5738/USD 867), Treponema pallidum (TP)-positive source (RMB 4508/USD 681), human immunodeficiency virus (HIV)-positive source (RMB 12,709/USD 1920), and unknown sources (RMB 7441/USD 1124). The survey also revealed that some healthcare facilities have insufficient post-exposure management. (4) Conclusions A better post-exposure management system is needed in Beijing to reduce both infection risk after exposure and costs.