Category: Reinfection
Study of convalescent sera from 44 South Africans infected in first wave, >90% showed reduced immunity & 48% had complete immune escape to 501Y.V2
Study of convalescent sera from 44 South Africans infected in first wave >90% showed reduced immunity and 48% had complete immune esape to 501Y.V2 More...
Covid-19 leaves trail of devastation at South African TVET colleges
A total of 23 staff members from SA’s 50 Technical and Vocational Education and Training (TVET) colleges, and four from community education colleges, died of Covid-related complications between December 15 and January 11. More...
Scientists discuss the new South African SARS-CoV-2 variant 501Y.V2
Scientists have new biological evidence that a South African variant of Covid-19 binds more readily to human cells, making it more infectious, according to one of the world’s leading infectious disease experts. More...
One-in-eight ‘recovered’ coronavirus patients ‘die within 140 days’, a third are readmitted within weeks
Almost a third of recovered Covid patients will end up back in hospital within five months and one in eight will die, alarming new figures have shown. More...
Long Covid could claim up to 700 doctors in Northern Ireland
Northern Ireland could lose up to 700 hospital doctors as a result of the pandemic, it has been warned. More...
Denmark finds 4 coronavirus cases which only have the E484K mutation in the spike protein
The first case of another covid-19 variant has been found in Denmark. More...
Second wild mink tests positive for Sars-Cov-2 outside Oregon mink farm
Since December, wildlife biologists with USDA Wildlife Services, under the Oregon Department of Fish and Wildlife (ODFW) direction, have captured and tested more than a dozen animals, including ten opossums, three cats, two skunks, and three mink. More...
White-tailed deer are highly susceptible to SARS-CoV-2 infection
“Here we demonstrated that white-tailed deer, an animal species in which the angiotensin converting enzyme 2 (ACE2) – the SARS-CoV-2 receptor – shares a high degree of similarity to humans, are highly susceptible to infection. More...
Cambridge study: “Dog, cat, and cattle ACE2 receptors were identified as the strongest interactors with the SARS-CoV-2 spike protein”
Researchers investigated whether the SARS-CoV-2 spike protein could bind to the ACE2 receptors from 22 different animals to ascertain which of these, if any, may be susceptible to infection. More...
Natural SARS-CoV-2 infection of ferrets in Spain
“We found SARS-CoV-2 RNA in 6 of 71 ferrets (8.4%) and isolated the virus from one rectal swab. More...









