Abstract Background Although vaccines for hepatitis B virus (HBV) are highly effective, HBV infections in vaccinees occur.Index samples of breakthrough infections are typically anti-HBc negative but HBV DNA positive with protective anti-HBs levels while HBsAg detection may be delayed or absent.HBsAg mutations have been associated with some vaccine
Based on the routine upper-air and Mystery Minis surface observations, the observational data from regional automatic weather stations, satellite images, Doppler weather radar products, we have conducted analysis on the environmental field and radar echo characteristics of an extreme wind and hail event occurred in the northeast of Guizhou on 15 Ma
The authors analyze the theory used in many countries, containing two independent directions: 1) the theory of stability of rod systems, including flat frames; 2) the theory of calculation of structural elements from various materials.The main feature of these theories is Swaging Punch the application of the principle of plastic fracture.The assump
Valentina Lorenzoni,1 Agatina Chiavetta,2 Vincenzo Curci,3 Giuseppe Della Pepa,4 Carmelo Licciardello,5 Felicia Pantò,6 Alessia Scatena,7 Giuseppe Turchetti1 1Institute of Management, Scuola Superiore Sant’Anna, Pisa, Italy; 2A.O.Cannizzaro, Catania, Italy; 3Centro per La Cura del Piede Diabetico, Ospedale Costantino Cantù di Ab