Variation in SARS-CoV-2 viral kinetics are partly explained by an individual's immune state and the infecting variant, but substantial interpersonal variation limits the reliability of isolation policies tailored to an individual's vaccination status.
Fitting a simple model of COVID-19 transmission to crowdsourced case report data allowed the estimation of mean cluster size and transmission rates in Canadian schools, as well as determining which interventions are most likely to limit transmission.
Lorenza Dall'Aglio, Hannah H Kim ... Henning Tiemeier
Approximately half of the associations identified between attention-deficit/hyperactivity disorder and brain morphology in two large independent studies of adolescents are likely due to confounding bias by socioeconomic and parental behavioral factors.
Amy L Roberts, Alessandro Morea ... Kerrin S Small
Prospective, cross-sectional, and intra-twin study designs identify skewed X chromosome inactivation is associated with cardiovascular disease risk and future cancer diagnosis in the TwinsUK population cohort.
Anna Kankaanpää, Asko Tolvanen ... Elina Sillanpää
Unhealthy lifestyle habits in adolescence associate with accelerated biological aging in young adulthood, but shared genetic factors underlying both lifestyle and biological aging may largely explain the observed associations.
Due to current levels of mobile phone ownership in Africa, it may only be possible to scale up mHealth interventions in a few countries, but not in the vast majority of the 33 countries that encompass ~60% of Africa's population.