Possibly. Being tested. Although my guess is it's unlikely, as this is a jab many older people had.
"Researchers at the Murdoch Children’s Research Institute in Melbourne, Australia, made an exciting announcement late last week: They’re planning to test among health care professionals a century-old vaccine’s ability to fight COVID-19.
“We hope to see a reduction in the prevalence and severity of COVID-19 symptoms in healthcare workers receiving the BCG vaccination,” Professor Nigel Curtis, a clinician-scientist who leads MCRI’s Infectious Diseases Research Group, said in a press release. Similar trials are underway in the Netherlands, Bloomberg reports."
http://www.motherjones.com/coronavirus-updates/2020/04/bcg-vaccine-coronavirus-trial/
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