Documented in medical journals for almost two centuries but seemingly forgotten nowadays, breathing fresh outdoor air could be key to defending against airborne bacteria and viruses, including COVID-19, a leading infectious disease expert from the Australian National University (ANU) suggests.
Professor Peter Collignon, a co-author of a paper on the subject, said in a release on Wednesday that outdoor air has germicidal properties that can dilute and limit the spread of pathogens and even kill airborne viruses.
