Opinion: Mitigating the transmission of SARS-CoV-2 in clinical settings and public spaces is important to reduce the number of COVID-19 cases till a successful vaccination programme is in place. This study can influence public health measures to cut the transmission of SARS-CoV-2.These data are most relevant for indoor conditions and can help decide...

This study corroborates the earlier study by Long et al. in the Chinese population (doi: 10.1038/s41591-020-0965-6), which demonstrated that 40% of asymptomatic patients were seronegative for IgG at 8 weeks. The decline in protective antibody titre is quicker than that reported for SARS-CoV-1. Hence ‘immunity passport’ for infected COVID-19 patients...

Spain is one of the European countries most severely affected by the ongoing COVID-19 pandemic with about 30,000 deaths to-date. In infectious diseases with large number of asymptomatic cases, serological surveys are the best tool to estimate community spread of the disease, and development of herd immunity. In-spite of widespread infection the very...

This systematic review and meta-analysis providesthe best available evidence on effectiveness of 3 important non-pharmaceutical interventions––(i) physical distancing, (ii) use of face masks and (iii) eye protection to prevent person-to-person transmission of SARS, MERS and COVID 19 in healthcare and non-healthcare settings.

Although limited by non-randomised...