Contagion

PITTSBURGH — A little more than three weeks ago, officials in Pittsburgh announced a milestone enviable for almost any major city in America: A day had gone by without a single new confirmed case of the coronavirus. It was good news for a city that had seen only a modest outbreak all along, even as the virus raged through places like Philadelphia and New York.

The Guardian

Coronavirus pandemic prompts record drop in global emissions, study finds Lockdowns, travel bans and factory closures drive 4.6% reduction but dramatic decline falls short of efforts needed to limit global heating Valerie Yurk the Guardian

The Guardian, July 10, 2020

by Valerie York

Exclusive: Scientists examine whether this route enables infections at longer distances

Large virus-laden droplets from infected people’s coughs and sneezes fall to the ground within 1-2 metres. Photograph: Nick Gregory/Alamy

CLICK HERE - STUDY - medRxiv - The Potential role of Particulate Matter in the Spreading of COVID-19 in Northern Italy: First Evidence-based Research Hypotheses - April 17, 2020

theguardian.com - by Damian Carrington - April 24, 2020

Coronavirus has been detected on particles of air pollution by scientists investigating whether this could enable it to be carried over longer distances and increase the number of people infected.

The work is preliminary and it is not yet known if the virus remains viable on pollution particles and in sufficient quantity to cause disease.