The New England Journal of Medicine is a research journal for Peer-reviewed and research papers.
In the wake of lightning fast authorisations of covid-19 vaccines in the UK and the US, public health officials have worked hard to maintain confidence in these new products.
These findings corresponded to a vaccine efficacy of 49.4% (95% confidence interval [CI], 6.1 to 72.8), which met the criterion for efficacy in the primary phase 2b evaluation (Table 2 and Figure 2A).
In mid-March 2020, many countries decided to close schools in an attempt to limit the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus causing coronavirus disease 2019 (Covid-19).1,2 Sweden was one of the few countries that decided to keep preschools (generally caring for children 1 to 6 years of age) and schools (with children 7 to 16 years of age) open.
Although several experimental therapeutics for Ebola virus disease (EVD) have been developed, the safety and efficacy of the most promising therapies need to be assessed in the context of a randomized, controlled trial.