Related StoriesAmgen's IMLYGIC receives positive opinion from CHMP for treatment of melanomaEnvironmental factors may lead to development of some childhood cancersFlu vaccine significantly reduces stroke riskAlong with the reduction in influenza A, there was a 26 % decrease in total school absences. The hygiene system was linked to possible improvements in various other school attendance steps also, including a lower price of absences during flu season.Two patients had little, first-level burns at pin sites, which most likely occurred from MR heating of aluminum pins designed to decrease MR artifact. Radiologic Assessments The lesions were undetectable on MRI T1-weighted sequences until a day after treatment nearly, but hyperacute lesions could be detected on T2 – and diffusion-weighted imaging . Perilesional edema, as noticed on T2-weighted imaging and FLAIR, peaked at a week and resolved at four weeks. As such, mean lesion volume was maximal at a week. The lesion collapsed by 1 month in 12 sufferers and by three months in 3 patients and became challenging to detect afterward.