Transmission of SARS-CoV-2 from asymptomatic and presymptomatic individuals in healthcare settings despite medical masks and eye protection

We describe 3 instances of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission despite medical masks and eye protection, including transmission despite the source person being masked, transmission despite the exposed person being masked, and transmission despite both parties being masked....More...

UK: London sees a large rise in coronavirus cases as Freedom Day looms

As the UK Health minister has just found out, London is seeing a large rise in new Covid cases in both the vaccinated and unvaccinated population during the third UK wave....More...

Hong Kong: all passenger flights from UK banned to curb #coronavirus – Britain deemed “extremely high-risk”

Hong Kong will ban all passenger flights from the United Kingdom from Thursday (Jul 1) to curb the spread of the Delta variant of COVID-19, the government said on Monday....More...

Hong Kong: 51 #coronavirus infections on single flight from India

A genetic study of viral samples from infected passengers on a flight into Hong Kong later found to have a record number of Covid-19 cases will be undertaken to determine whether in-flight transmission or quarantine facilities were to blame, with implications on tighter protocols required to contain such spikes....More...

Hong Kong: #coronavirus transmission linked to quarantine hotel door hooks used for meal deliveries

Hong Kong’s first community infection of a mutant Covid-19 strain involved the South African variant, officials revealed on Tuesday, with transmission likely to have taken place at a quarantine hotel via door hooks used by staff to deliver meal boxes to guests....More...

UK: Cases of B.1.617 Delta “double mutant” #coronavirus variant double in one week to 160

Professor Paul Hunter, an epidemiologist at the University of East Anglia, analysed publicly available information on new variant numbers last Saturday and again yesterday and found that the number of genetically-confirmed Indian strain cases had risen in a week from 79 to 160....More...

Overwhelming evidence that indoor airborne transmission associated with relatively small, micron-scale aerosol droplets plays a dominant role in the spread of coronavirus, especially for so-called “superspreading events”

“There is now overwhelming evidence that indoor airborne transmission associated with relatively small, micron-scale aerosol droplets plays a dominant role in the spread of COVID-19, especially for so-called “superspreading events”, which invariably occur indoors.”...More...