Barney Graham, a former scientist at the U.S. National Institute of Allergy and Infectious Diseases (NIAID), was thrilled when Pfizer announced encouraging results from an experimental vaccine that could protect against a major childhood killer. In a press release, the company...

Article by Lalita Panicker, Consulting Editor, Views and Editor, Insight, Hindustan Times, New Delhi A team of scientists says it has nailed down the major symptoms of Long Covid, which has disabled millions of people since the pandemic began. https://www.science.org/content/article/major-u-s-effort-pins-down-symptoms-long-covid? In a...