Disease

Coverage of infectious and chronic diseases — their causes, mechanisms, epidemiology, prevention strategies, and the latest science on how the body fights back.

From Information is beautiful, here is an infographic that tells you how to be that spry 90-year old.
Infections spread from one susceptible individual to another, a chain of exposures or contacts – it is the basis for track and trace.
“Testing” has become the motto in the fight against COVID-19.
This infographic from Information is Beautiful captures them all. It is all about exposure, how close and for how long, and of course, how many cases are already present.      
The researchers made use of data from the National Health and Aging Trends Survey, a representative sample of Medicare enrollees over age 65. Frailty remains an ill-defined syndrome, a constellation of subjective and objective findings.
I have previously written on the physics of direct contact, which pertains to how much attention we need to pay to wipe down packages and surfaces.
For all you New Jersey folks who were looking forward to an indoor meal, I'm sorry to disappoint you. Indoor dining, which was supposed to begin in Jersey on July 2nd, ain't gonna happen. Governor Phil Murphy explained why.
If we have learned nothing else from COVID-19, becoming ill is the entanglement of biologic risk, like COVID’s need for ACE receptors, and non-biologic factors, like the population density, where you live, or the job you have.