Senior citizens who are not vitamin D deficient have a better chance of walking after hip fracture surgery. The findings…
COVID-19 coronavirus epidemic has a natural origin
An analysis of public genome sequence data from SARS-CoV-2 and related viruses found no evidence that the virus was made…
Genetic signature may identify mothers at risk for preeclampsia
Researchers have identified a genetic signature combining certain maternal and fetal gene variants that are associated with a higher risk…
Median incubation period for COVID-19
A new study calculates that the median incubation period for COVID-19 is just over 5 days and that 97.5% of…
These Places Could Run Out of Hospital Beds as Coronavirus Spreads
New estimates from a Harvard research team show that, in many parts of the country, there may not be enough…
Rethinking mortality and how we plan for old age
Many people dream of comfortably living out their golden years. A new study however shows that older Europeans, and especially…
Engineered Botulinum toxin is more potent and safer in mice
Botulinum toxin (BoNT) is used for a range of applications, but when injected it can diffuse into the surrounding tissue…
New understanding of immune modulator interleukin-2 guides drug discovery
The signaling molecule interleukin-2 (IL-2) has long been known to have powerful effects on the immune system, but efforts to…
New coronavirus stable for hours on surfaces
New research finds that the virus that causes coronavirus disease 2019 (COVID-19) is stable for several hours to days in…
Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1
To the Editor: A novel human coronavirus that is now named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (formerly called…