China on Thursday held a media conference on the COVID-19 origin tracing study. Vice Minister of the National Health Commission Zeng Yixin said China and the World Health Organization (WHO) have jointly explored an effective working mechanism and method for the global origin tracing of ...
This chapter focuses on the study carried out on the adaptation needs of university teachers regarding online teaching triggered by the Covid-19 pandemic. The methodology was implemented utilising surveys and interviews with the teaching staff of differe
NEW YORK, April 19 (Xinhua) -- U.S. healthcare workers were most likely to be infected with COVID-19 at work during the pandemic's first year, U.S. News and World Report reported on Monday citing a new study that challenges previous research suggesting their risk was highest off the ...
WASHINGTON, March 16 (Xinhua) -- A new study of COVID-19 rates among inmates and staff at 101 U.S. federal prisons compared with surrounding counties has suggested three-times-higher infection rates in prisons. German and U.S. researchers conducted the study, using data from the Johns Hopk...
COVID-19 vaccination may be associated with change in menstrual cycle length following vaccination. We estimated covariate-adjusted differences in mean cycle length (MCL), measured in days, between pre-vaccination cycles, vaccination cycles, and post-vaccination cycles within vaccinated participants who ...
Study.com is offering free online learning courses during the coronavirus outbreak. Supporting U.S. K-12 school districts, teachers & students affected by COVID-19.
Here, we include data from 19,161 self-reported PCR tests to create a symptom-based model to estimate the individual probability of symptomatic COVID-19, with an AUC of 0.78 (95% CI 0.74–0.83) in an external dataset. These individual probabilities are employed to estimate daily regional CO...
1 -- COVID-19 infections were present in the United States as early as mid-December 2019, weeks before it was first identified in China and about a month earlier than the first case was officially confirmed in the United States, according to a new study by the U.S. Centers for Disease...
The single-site trial will enroll up to 100 people aged 16 to 69 years who had an allergic reaction to a first dose of COVID-19 mRNA vaccine. Study participants will receive a second dose of vaccine as inpatients under carefully controlled conditions at the NIH's Clinical Center in Bethesda...
LISBON, May 9 (Xinhua) -- With a daily average of 1,150 new cases per million inhabitants, Portugal is the European Union (EU) country with the most COVID-19 infections in the last seven days, said a study released on Monday.