COVID-19 transmission rebounds quickly after physical distancing rules are relaxed

BOSTON – Across the U.S., the relaxation of statewide physical distancing measures that are designed to control the COVID-19 pandemic frequently resulted in an immediate reversal of public health gains against SARS-CoV-2, the virus that causes the disease, researchers from Massachusetts General Hospital (MGH) and colleagues reported. Looking at data from all 50 states and…

‘Like a fishing net,’ nanonet collapses to trap drug molecules

EVANSTON, Ill. — Northwestern University researchers are casting a net for nanoparticles. The team has discovered a new, rapid method for fabricating nanoparticles from a simple, self-assembling polymer. The novel method presents new possibilities for diverse applications, including water purification, diagnostics and rapidly generating vaccine formulations, which typically require many different types of molecules to…