covid: air pollution increases risk
A Swedish study found that short-term exposure to air pollution was associated with increased Covid incidence (see covid air pollution inc risk JAMA2022 in dropbox, or 10.1001/jamanetworkopen.2022.8109 ) Details: -- the p ro spective BAMSE birth cohort database in Sweden was linked to their national infectious disease r egistry to identify PCR-positive SARS-CoV-2 cases from May 2020 to March 2021 -- BAMSE is a population-based birth cohort including 4089 newborns in 1994-1996, with followup at ages 1,2,4,8,12,16 and 24 ( the 2270 participants at the 24-year follow-up were the ones in this study); in August 2020 the study expanded to include Covid-19 follow-up with web questionnaires and a clinical exam. -- 54% women, median age 25.6 (interquartile range IQR 24.9-26.3), 33% educated to university level , 48% student s /45% employed, 23% current smoker, 23% overweight, 31% asthma, -- covid characteristics: 54% had “any symptoms...