When vaccinated and unvaccinated people mixed, a substantial number of new infections would occur in vaccinated people, even in scenarios where immunisation rates were high: Study
In a subset of persons who recover from the initial Covid illness, various symptoms persist, such as fatigue, mental haziness, and shortness of breath which is generally classified as long Covid
The researchers found that the two dominant sub lineages of Omicron have unprecedented numbers of spike protein mutations, with BA.1 having 33 and BA.2 having 29 variations
Long-term exposure to air pollution is associated with an increased risk of autoimmune disease, particularly rheumatoid arthritis, connective tissue and inflammatory bowel diseases
The findings, published in the journal Nature, suggest that declining antibody levels in the months after vaccination primarily represent a shift to a sustainable immune response
A team of researchers from the University of New South Wales (UNSW) and St Vincent's hospital Sydney have found clear biological marker in patients experiencing long Covid.
"it's not impossible to have confection of two strains, especially if the patient has an immuno-compromised status", Dr Dipu T.S said
AstraZeneca is one of the frontrunners in the drugs industry's search for a Covid-19 vaccine
Some skin symptoms appear soon after infection, while others arise later or in more severe disease
According to the scientists, in people with severe Covid-19, one of most abundant cytokines released is called TNF
In certain patients, according to a flurry of recent studies, the virus appears to make the immune system go haywire
Unlike humans, the scientists said bats have specific mechanisms which reduce the replication of viruses in their bodies, and also dampen their immune response to a virus
The study, published in the journal Science Immunology, assessed T cells from 10 Covid-19 patients under intensive care treatment
From India's first non-agri-driven recession, to Parliament missing in action, and why study suggests blood cancer patients usually survive Covid-19 - read these and more in today's India dispatch
Good nutrition is essential to a strong immune system, which offers protection not only from novel infections, such as COVID -19, but also seasonal illness
The ageing cyclists had almost as many new T cells in their blood as did the young people