for people like diana behrendt -- >> taking medications on a daily basis?no. >> reporter: she believes part of unraveling the mystery lies in making sure we have accurate and up-to-date data. behrendt fell victim to the virus in early march at a time when covid was still incredibly new. >> i just knew it, even though the first person in all of new york city had only been diagnosed 12 days earlier. i knew that this was it. >> hi, it's friday -- >> reporter: realizing the lack of available information -- >> hi, everyone -- >> reporter: behrendt started posting video diaries of her experience to educate others as she quarantined. >> the road to recovery is not necessarily a straight line. it's kind of like, one step forward, one step back. >> reporter: encouraged by the following she gained, behrendt decided to launch "survivor corps," a nonprofit dedicating to crowd sourcing information from its members. >> no data has been collected on the vast majority of patients like me who had what i call the tylenol and gatorade variety of covid. what that meant is peop