Vaccines steal the headlines but our path out of the pandemic will also need contact tracing. Remember that?
by from on (#5DFRN)
A young man attends a small dinner with six people, where he is exposed to someone silently harbouring the virus. Feeling fine, he heads to a child's birthday party a few days later, infecting several others. One of the people at the birthday then unknowingly passes the disease on to their mother. The mother dies.