The woman instructed them to sing "Happy Birthday" to make sure they wash for at least 20 seconds.
McCrear was 2 years old when she was abducted from West Africa.
Just one day after calling for an ambulance, Kayla Williams died from the coronavirus.
Faustina Tay sent many messages to her brother pleading for help.
Africa is moving quickly to implement safety precautions to prevent the spread of the coronavirus.