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12:36, May 3 Smoking during pregnancy may lead to obese children, study finds
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10:29, May 3 Scientists discover cell responsible for repairing damaged liver tissue
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20:17, May 2 NBR: low to moderate intensity exercise protects against depression
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18:28, May 2 Sixth Armenian International Ophthalmological Conference will be held on 17-19 May
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16:11, May 2 ВJN: High-fat foods may increase the risk of heart attack and stroke at a young age
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14:16, May 2 Patterns: Neural network created that models outcome of various patient therapy methods
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12:05, May 2 Armenia joins Council of Europe convention on protection of patients' rights
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14:27, May 1 Journal of Neuroscience: Sluggishness of the elderly is due to greater use of calories, research finds
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10:26, May 1 AstraZeneca admits its Covid vaccine can cause thrombosis
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19:31, April 30 Scientists calculated how much time per day you should be sitting, standing and sleeping
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14:30, April 30 Frontiers in Molecular Biosciences: Researchers use AI to identify 191 new destructive viruses
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08:38, April 30 The Guardian: First personalized cancer vaccine developed
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23:55, April 29 Ketodiet improved the condition of patients with schizophrenia and bipolar disorder
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19:47, April 29 In 64% of COVID-19 survivors, the condition worsens after one year
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Research says: People with hidden COVID-19 to develop immunity
People who had COVID-19 infection in a mild or hidden form also develop immunity, the scientists from Queen Mary University of London (UK) noted. Their research was published in the journal Science Immunology.
They analyzed blood samples from 136 medical personnel for antibodies and T-lymphocytes. All of the workers have experienced mild or asymptomatic COVID-19. Neutralizing antibodies were found in 89% of them 16-18 weeks after infection. Most of them had also T-cells targeting different parts of the virus.
Some people had T-lymphocytes but no antibodies, while others had the opposite. Moreover, a relatively high level of protective antibodies was found in 66% of medical personnel. T-cell responses tended to be more extreme in people with the classic symptoms of COVID-19, while asymptomatic infection led to weaker T-cell immunity.
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