Severe COVID-19 may shrink cancer tumors, early data suggest Livescience.comCOVID-19’s Surprising Effect on Cancer TIMEChicago Northwestern Medicine study shows severe COVID-19 may shrink cancer cells ABC7 ChicagoCOVID-19's silver lining? Researchers find the virus has ability to fight cancer Chicago Sun-TimesNorthwestern study links COVID-19 RNA to cancer-fighting cells FOX 32 Chicago