MILAN/LONDON, June 19 — Scientists in Italy have found traces of the new coronavirus in wastewater collected from Milan and Turin in December 2019 - suggesting Covid-19 was already circulating in Northern Italy before China reported the first cases.

WASHINGTON, April 24 — Eighty countries and customs territories have banned or limited the export of face masks, protective gear, gloves and other goods to mitigate shortages since the coronavirus outbreak began, the World Trade Organisation reported yesterday.

GENEVA, March 21 — Europe reported 17,506 new cases of Covid-19 in the past 24 hours as of midnight Thursday, bringing the total number of confirmed cases in the region to 104,591, the World Health Organisation (WHO) said Friday in a daily situation report.