My cousin Dr. Ruth Crystal in San Francisco was
mentioned in several news articles about Covid -19.
ABC Video: Researchers at UCSF, Stanford developing new COVID-19 diagnostic tests
Financial Times July 16, 2020 - At the start of the pandemic, Dr Ruth Ann Crystal at Stanford Medicine in California, set up a WhatsApp group for doctors. After more than 256 signed up - breaching the messaging platform's limit - she switched to Slack, on which she administers a group that numbers more than 1,000 practitioners.