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Device taps brain waves to help paralysed man communicate
”Most of us take for granted how easily we communicate through speech,” said Dr. Edward Chang, a neurosurgeon at the University of California, San Francisco, who led the work. “It’s exciting to think we’re at the very beginning of a new chapter, a new field” to ease the devastation of patients who lost that ability.
Will COVID-19 vaccines work if I have a weak immune system?
COVID-19 shots weren’t studied in large numbers of people with weak immune systems. But limited data and experience with flu and pneumonia vaccines suggest they won’t work as well as they do in others. That means people with weakened immune systems should keep taking precautions like wearing masks and avoiding large crowds.
“It’s prudent to use all the precautions you were using before you were vaccinated,” said Dr. Ajit Limaye, a transplant expert at University of Washington Medicine in Seattle.
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