READING, Pa. - Authorities in Berks County say they are investigating the death of an infant as an accidental suffocation due to co-sleeping after the child posthumously tested positive for COVID-19.The Berks County Coroner's Officer announced Friday that there was no evidence to suggest the 26-day-old girl's coronavirus diagnosis caused or contributed to her death.Instead, officials say, "the death is being investigated as an accidental suffocation/asphyxiation due to co-sleeping with an adult."The infant passed away at Reading Hospital on Sunday, July 19 shortly after she was admitted to the hospital.She was tested for COVID-19 on Monday, July 20 and positive results were returned on Thursday."The release of information yesterday has.