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Science News Roundup: Scientists focus on immune system T cells; Tuberculosis warn of potential wave of COVID and more


Following is a summary of current science news briefs.

Scientists focus on how immune system T cells fight coronavirus in absence of antibodies

As scientists question whether the presence or absence, of antibodies to the novel coronavirus can reliably determine immunity, some are looking to a different component of the immune system, known as T cells, for their role in protecting people in the pandemic. Recent studies show that some recovered patients who tested negative for coronavirus antibodies did develop T cells in response to their COVID-19 infection. While the studies are small and have yet to be reviewed by outside experts, some scientists now say that people who experience a mild illness, or no symptoms at all, from the new coronavirus, maybe eliminating the infection through this T cell response.

Tuberculosis vaccine may be limiting COVID-19 deaths; dormitory screening urged

The following is a brief roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus. Tuberculosis vaccine may limit COVID-19 deaths.

Scientists warn of potential wave of COVID-linked brain damage

Scientists warned on Wednesday of a potential wave of coronavirus-related brain damage as new evidence suggested COVID-19 can lead to severe neurological complications, including inflammation, psychosis, and delirium. A study by researchers at University College London (UCL)described 43 cases of patients with COVID-19 who suffered either temporary brain dysfunction, strokes, nerve damage, or other serious brain effects.

Pandemic exposes scientific rift over proving when germs are airborne

The coronavirus pandemic has exposed a clash among medical experts over disease transmission that stretches back nearly a century – to the very origins of germ theory. The Geneva-based World Health Organization acknowledged this week that the novel coronavirus can spread through tiny droplets floating in the air, a nod to more than 200 experts in aerosol science who publicly complained that the U.N. agency had failed to warn the public about this risk.



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