Category: Variants
CDC: mRNA vaccines just 53.1% effective against Delta infection among nursing home residents
“Two doses of mRNA vaccines were 74.7% effective against infection among nursing home residents early in the vaccination program. More...
UK: Vaccine breakthrough rate for Delta infections still increasing
The latest UK PHE Technical Briefing has just been published, and it shows that the vaccine breakthrough rate for Delta infections in the UK continues to increase by about 6% per month. More...
Delta vaccine breakthrough cases in Washington State quadruple in two weeks
This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them up to 18th August 2021. More...
France: Hundreds infected by Covid-19 in nursing homes in one week
There have been a large number of reports of Covid-19 infections in French nursing homes over the past week. More...
Preprint: generation and transmission of recombinant SARS-CoV-2 viruses
We present evidence for multiple independent origins of recombinant SARS-CoV-2 viruses sampled from late 2020 and early 2021 in the United Kingdom. More...
Preprint: Cryptic transmission of Delta AY.3 among fully vaccinated patients
Here we report cryptic transmission associated with high Delta variant viral load among vaccinated patients on an inpatient medical-surgical ward. More...
New Zealand: full national lockdown after a single case of Delta variant detected
New Zealand Prime Minister Jacinda Ardern has announced an alert-level 4 lockdown in New Zealand starting at 11.59pm tonight for seven days in Auckland and Coromandel, and three days elsewhere. More...
Delta attempting to brute-force its way past the human immune system
The Delta variant of Sars-CoV-2 seems to have taken a leaf from a computer hacker’s manual by attempting to brute-force its way past human and vaccine immunity systems by spitting out slightly mutated versions of itself almost on a daily basis. More...
Israel: arrival of Lambda variant would trigger a lockdown
The Israeli Health Ministry on Monday warned that new coronavirus variants from abroad could force Israel into a lockdown that the government is working hard to avoid, with the Lambda variant posing a particularly pressing threat. More...
Turkey: 4th vaccination offered to health workers
Turkey’s Health Ministry has announced that health workers and priority groups are now eligible to receive a fourth dose of the COVID-19 vaccine as part of the country’s efforts to combat the resurgence of the disease. More...









