Molecular basis for shifted receptor recognition by an encephalitic arbovirus.

After decades of inactivity throughout the Americas, western equine encephalitis virus (WEEV) recently re-emerged in South America, causing a large-scale outbreak in humans and horses. WEEV binds protocadherin 10 (PCDH10) as a receptor; however, nonpathogenic strains no longer bind human or equine PCDH10 but retain the ability to bind avian receptors. Highly virulent WEEV strains can also bind the very low-density lipoprotein receptor (VLDLR) and apolipoprotein E receptor 2 (ApoER2) as alternative receptors.

COVID-19 vaccine anxieties: exploring social and political drivers of vaccine attitudes in Kono District, Sierra Leone.

As COVID-19 spread rapidly during the early months of the pandemic, many communities around the globe anxiously waited for a vaccine. At the start of the pandemic, it was widely believed that Africa would be a significant source of infection, and thus, vaccinating African communities became a primary goal among local and global health authorities. However, when the COVID-19 vaccine became available in March 2021 in Sierra Leone, many people viewed it with scepticism and hesitation.

Enterovirus evolution reveals the mechanism of an RNA-targeted antiviral and determinants of viral replication.

Selective pressures on viruses provide opportunities to establish target site specificity and mechanisms of antivirals. Enterovirus (EV)-A71 with resistant mutations in the stem loop (SL) II internal ribosome entry site (IRES) (SLII) were selected at low doses of the antiviral dimethylamiloride (DMA)-135. The EV-A71 mutants were resistant to DMA-135 at concentrations that inhibit replication of wild-type virus.

Inappropriate behaviours in a dental training environment: pilot of a UK-wide questionnaire.

Incivility and inappropriate behaviour in the workplace are topics of growing interest due to their impact on patient care and safety. Several surveys and campaigns have emerged highlighting the existence of a problem. However, the true scale is difficult to ascertain.