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Objective: The purpose of this study is to examine the attitudes and perceptions of college undergraduates regarding cannabis vaping. Participants: Twenty-one, predominantly male (71.4%; M age = 22, SD  = 2.09), undergraduate college students who reported vaping cannabis in the past 30 days. Methods: Participants were interviewed to determine their attitudes and perceptions regarding cannabis vaping. Findings: Thematic analysis uncovered six primary themes and eighteen subthemes. Main themes included (1) Convenience, (2) Discreetness, (3) Mood-Altering Experience, (4) Social Acceptability, (5) Health and Safety, and (6) COVID-19 Pandemic Impact. Conclusion: College students who use cannabis tend to both vape and use combustible methods, depending upon social and physical environment. This population tends to vaporize cannabis for its perceived mood-altering properties. Additional research is needed to further examine the behaviors and attitudes surrounding cannabis vaping among college undergraduates, as well as the development of interventions specific to this demographic.

Background : Cannabis vaping has become increasingly popular among college students. The purpose of this study was to use the Integrated Behavioral Model to better understand students' motivations for engaging in this high-risk behavior. Methods : A survey instrument was developed to assess six IBM constructs, as well as past use of cannabis and nicotine, and cannabis vaping behavior changes related to COVID-19. A structural equation model was used to assess the effects of IBM predictors on Behavioral Intention. Results : The IBM predictors accounted for 54.2% of the variance in Behavioral Intention. The strongest path coefficients on Behavioral Intention were Perceived Norm and Experiential Attitude. Conclusion : The results from this study can be used to design interventions to decrease cannabis vaping use among college students. More specifically, social norm interventions and addressing other misconceptions about vaping cannabis, appears to be a promising theoretical approach to help ameliorate this unique public health challenge.

Importance: Mouse models of viral infection play an especially large role in virology. In 1960, a mouse virus, lactate dehydrogenase-elevating virus (LDV), was discovered and found to have the peculiar ability to evade clearance by the immune system, enabling it to persistently infect an individual mouse for its entire lifespan without causing overt disease. However, researchers were unable to grow LDV in culture, ultimately resulting in the demise of this system as a model of failed immunity. We solve this problem by identifying the cell-surface molecule CD163 as the critical missing component in cell-culture systems, enabling the growth of LDV in immortalized cell lines for the first time. This advance creates abundant opportunities for further characterizing LDV in order to study both failed immunity and the family of viruses to which LDV belongs, Arteriviridae (aka, arteriviruses)., Competing Interests: The authors declare no conflict of interest.