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He helped Covid kill the Small Scientific Roof
Epidemiologists have long seen that most respiratory insects need a close relationship to spread. However, in this small space, a lot can happen. A sick person may cough up drops on your face, emit small aerosols that you breathe or give your hand so you can rub your nose. Any of these mechanisms can transmit the virus. “Technically, it’s very difficult to differentiate and see what causes the infection,” Mar says. In long-distance infections, only the smallest particles can be to blame. Up close, however, particles of all sizes were at stake. However, over the decades, drops were blamed as the main culprit.
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Early one morning, Linsey Marr tiptoed to her dining room table, slipped on a headset, and fired up Zoom. On her computer screen, dozens of familiar faces began to appear. She also saw a few people she didn’t know, including Maria Van Kerkhove, the World Health Organization’s technical lead for Covid-19, and other expert advisers to the WHO. It was just past 1 pm Geneva time on April 3, 2020, but in Blacksburg, Virginia, where Marr lives with her husband and two children, dawn was just beginning to break.
Marr is an aerosol scientist at Virginia Tech and one of the few in the world who also studies infectious diseases. To her, the new coronavirus looked as if it could hang in the air, infecting anyone who breathed in enough of it. For people indoors, that posed a considerable risk. But the WHO didn’t seem to have caught on. Just days before, the organization had tweeted “FACT: #COVID19 is NOT airborne.” T
NEW DELHI: Bharat Biotech has commenced direct supply of its Covid-19 vaccine ‘Covaxin’ to 14 states, including Delhi and Maharashtra, with effect from May 1, according to the company’s joint managing director Suchitra Ella.
The Hyderabad-based firm has started supplying its Covid-19 treatment vaccine to the states based on the allocations received by the central government.
“Bharat Biotech confirms direct supplies of Covaxin to the following state govt’s since 1/5/21, based on the allocations received by GoI. Requests have been received from other states, & will be processed for distribution based on availability of stocks 24x7,” Ella tweeted.
The company is supplying vaccines to Andhra Pradesh, Assam, Chhattisgarh, Gujarat, Jammu & Kashmir, Jharkhand, Madhya Pradesh, Odisha, Tamil Nadu, Telangana, Uttar Pradesh and West Bengal.
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