Hepatitis E Virus Research in Brazil: Looking Back and Forwards

Hepatitis E virus (HEV) has emerged as a public health concern in Brazil.From the first identification and characterization of porcine and human Toddler Hats HEV-3 strains in the 2000s, new HEV subtypes have been identified from animal, human, and environmental isolates.As new potential animal reservoirs have emerged, there is a need to compile evi

read more

Persistent T cell-mediated immune responses against Omicron variants after the third COVID-19 mRNA vaccine dose

IntroductionThe prime-boost COVID-19 mRNA vaccination strategy has proven to be effective against severe COVID-19 disease and death.However, concerns have been raised due to decreasing neutralizing antibody levels after COVID-19 vaccination and due to the emergence of new immuno-evasive SARS-CoV-2 variants that may require additional booster vaccin

read more

The use of ultrasound in the South Cone region. Advances in organic and inorganic synthesis and in analytical methods

In organic and inorganic synthesis and in analytical methods, an external conventional heat source Regulators is usually applied to carry out a chemical reaction at a high temperature, or an extraction procedure.In the last decades, the use of ultrasound as an alternative energy source has become an interesting field of research in these topics in

read more


Adaptive Backstepping Sliding Mode Dynamic Positioning System for Pod Driven Unmanned Surface Vessel Based on Cerebellar Model Articulation Controller

The dynamic positioning system is a system that ships rely on their own propulsion devices to maintain position and course.Pod propulsion was more and more installed in dynamic positioning unmanned surface vessels because it can rotate 360 degrees freely.The maximum disturbance of unmanned surface vessel dynamic positioning comes from the forces an

read more