A type of poliovirus derived from vaccines has been detected in London sewage samples, the World Health Organization and British health officials said Wednesday, adding that more analysis was...
from NDTV News - Special https://ift.tt/X7zKAa5
https://ift.tt/4xthCqu Polio Virus Detected In London Sewage Samples: WHO
0
June 22, 2022
Tags