India to recalibrate air quality standards next year India is likely to have new national ambient air quality standards (NAAQS) in 2022, factoring in more pollutants, including ultra-fine particulate matter of less than PM2.5. The existing national standard was formulated 12 years ago. https://ift.tt/eA8V8J
Pfizer and BioNTech Announce Submission of Initial Data to U.S. FDA to Support Booster Dose of COVID-19 Vaccine submitted by /u/progress18 [link][comments] https://ift.tt/eA8V8J August 17, 2021 at 02:50AM https://ift.tt/1R552o9