hassan waheed | University of Duhok (original) (raw)
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SummaryThe newly emerging variants of SARS-CoV-2 from India (Delta variant) and South America (La... more SummaryThe newly emerging variants of SARS-CoV-2 from India (Delta variant) and South America (Lambda variant) have led to a higher infection rate of either vaccinated or unvaccinated people. We found that sera from Pfizer-BioNTech vaccine remain high reactivity toward the receptor binding domain (RBD) of Delta variant while it drops dramatically toward that of Lambda variant. Interestingly, the overall titer of antibodies of Pfizer-BioNTech vaccinated individuals drops 3-fold after 6 months, which could be one of major reasons for breakthrough infections, emphasizing the importance of potential third boost shot. While a therapeutic antibody, Bamlanivimab, decreases binding affinity to Delta variant by ~20 fold, it fully lost binding to Lambda variant. Structural modeling of complexes of RBD with human receptor, Angiotensin Converting Enzyme 2 (ACE2), and Bamlanivimab suggest the potential basis of the change of binding. The data suggest possible danger and a potential surge of Lamb...
Open Journal of Social Sciences
Leadership is one of the most discussed topics in literature across all different industries and ... more Leadership is one of the most discussed topics in literature across all different industries and sciences. There is a need for clarification and overview on the different types of leadership discussed in literature. This explorative research describes a systematic literature review to give a general overview of the types of leadership discussed in the literature in the time period between March 2013 and March 2018. In total 658 different types of leadership were mentioned in 380 analyzed articles. Of that transformational leadership was mentioned 200 times, effective leadership was mentioned 118 times, transactional leadership 110 times, participative leadership was mentioned 89 times and ethical leadership was mentioned 72 times. Often these types of leadership were also mentioned together and a great overlap on the different leadership styles was mentioned. Further research on leadership should therefore focus less on explorative research and more on developmental research of a new full range scientific leadership model including the different leadership styles discussed most often in the past five year.
SummaryThe newly emerging variants of SARS-CoV-2 from India (Delta variant) and South America (La... more SummaryThe newly emerging variants of SARS-CoV-2 from India (Delta variant) and South America (Lambda variant) have led to a higher infection rate of either vaccinated or unvaccinated people. We found that sera from Pfizer-BioNTech vaccine remain high reactivity toward the receptor binding domain (RBD) of Delta variant while it drops dramatically toward that of Lambda variant. Interestingly, the overall titer of antibodies of Pfizer-BioNTech vaccinated individuals drops 3-fold after 6 months, which could be one of major reasons for breakthrough infections, emphasizing the importance of potential third boost shot. While a therapeutic antibody, Bamlanivimab, decreases binding affinity to Delta variant by ~20 fold, it fully lost binding to Lambda variant. Structural modeling of complexes of RBD with human receptor, Angiotensin Converting Enzyme 2 (ACE2), and Bamlanivimab suggest the potential basis of the change of binding. The data suggest possible danger and a potential surge of Lamb...
Open Journal of Social Sciences
Leadership is one of the most discussed topics in literature across all different industries and ... more Leadership is one of the most discussed topics in literature across all different industries and sciences. There is a need for clarification and overview on the different types of leadership discussed in literature. This explorative research describes a systematic literature review to give a general overview of the types of leadership discussed in the literature in the time period between March 2013 and March 2018. In total 658 different types of leadership were mentioned in 380 analyzed articles. Of that transformational leadership was mentioned 200 times, effective leadership was mentioned 118 times, transactional leadership 110 times, participative leadership was mentioned 89 times and ethical leadership was mentioned 72 times. Often these types of leadership were also mentioned together and a great overlap on the different leadership styles was mentioned. Further research on leadership should therefore focus less on explorative research and more on developmental research of a new full range scientific leadership model including the different leadership styles discussed most often in the past five year.