An international team with WHO participation concludes that global covid-19 infection rates may be higher than reported. The research, published in the journal PLOS Medicine, is based on a systematic review and meta-analysis of seroprevalence studies published between 1 January 2020 and 20 May 2022.
Research published in the journal PLOS Medicine has studied the occurrence of sequelae following covid-19 in 46% of the German population. It concludes that they affect all ages, including children and adolescents.
Research published in the journal Nature Medicine examines the health consequences of covid-19 reinfections.
A panel of 386 academics, led by ISGlobal (Barcelona), has established a series of recommendations to end the threat of covid-19 following the Delphi method, a prospective technique based on the search for consensus among a group of experts. The results are published in the journal Nature.
A study published in the BMJ looks at the risk of thromboembolic events associated with different covid-19 vaccines, both adenovirus- and mRNA-based. Its results are based on data collected from more than 10 million adults in France, Germany, the Netherlands, Spain, the UK and the US who received at least one dose of a covid-19 vaccine from December 2020 to mid-2021.
Research published in Nature Human Behaviour analyses changes in life expectancy since the advent of covid-19. Its findings show that some countries in western Europe, including Spain, regained some of their lost life expectancy, and others returned to 2019 levels. On the other hand, losses continued in Eastern Europe and the United States.
During Pfizer's appearance before the European Parliament this week, a company executive responded to the question of whether "Pfizer's vaccine was tested to stop transmission of the virus (SARS-CoV-2) before going to market" by saying "no".
Research among more than 7,000 US adults shows small changes in extraversion, agreeableness, openness to change and conscientiousness between the period before the covid-19 pandemic and the year 2022, especially in younger people. The study is published in PLOS ONE.
Research with 11 lactating women vaccinated against covid-19 has found small amounts of mRNA from the vaccine in breast milk, undetectable 48 hours later.
A sarbecovirus distantly related to SARS-CoV-2 and found in horseshoe bats in Russia is able to enter human cells using the ACE2 receptor, according to research published in PLOS Pathogens.