Tag: immunity
Pfizer and AstraZeneca vaccine antibodies start to wane after six weeks
Blood tests on hundreds of British people revealed that protective antibodies can wane substantially within weeks of second vaccine shots being given.… ...More...
India: Black fungus Mucormycosis with 50% mortality rate affecting coronavirus patients
Black fungus infection Mucormycosis has been on the rise among Covid-19 patients in Ahmedabad for the last 15-20 days, doctors have said.
UK JVCI – third coronavirus booster vaccination likely needed in autumn 2021
A covid-19 booster vaccine is likely to be rolled out in the autumn to avoid another winter surge in the UK, a government adviser on vaccination has told The BMJ.… ...More...
Circulating SARS-CoV-2 spike N439K variants maintain fitness while evading antibody-mediated immunity
“SARS-CoV-2 can mutate and evade immunity, with consequences for efficacy of emerging vaccines and antibody therapeutics.… ...More...
S-variant SARS-CoV-2 associated with significantly higher viral loads
“This analysis suggests that patients whose samples exhibit the S-dropout profile in the TaqPath test are more likely to have high viral loads at the time of sampling.… ...More...
“Escape mutations” could help SARS-CoV-2 evade immune attack
Researchers in the United States have identified mutations within severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) – the agent that causes coronavirus disease 2019 (COVID-19) – that can reduce antibody binding to the virus, potentially mediating its escape from immune attack.… ...More...
Coronavirus immunity could last for years
Researchers find immunity remains for minimum of eight months, fuelling hope vaccines could protect population for years
Immunity to coronavirus lasts at least eight months and may even last for years, new research suggests.… ...More...
T-cells could be sufficient to protect from COVID-19
High levels of so-called “T cells” that respond to the coronavirus could be sufficient to offer protection against infection, an English study said on Tuesday, adding to the evidence of the crucial role they play in immunity to COVID-19.… ...More...