She sneezed and realized she had caught a cold. Mary took her temperature and confirmed that she was a little feverish. So she just rested the whole day.
The next day, Mary had got worse, so called her boss to inform that she would not work for health reasons.
At afternoon, one of her friends (Sarah), that learned about Mary's condition came to visit her accompained by her cousin (Angela), who was a doctor.
Sarah was worried that a simple cold would get worse even with plenty of rest. That's why she called Angela to examine Mary.
Angela confirmed that Mary had was infected by a virus stronger than the usual, but easy to treat with the correct medicines.
After going through the treatment indicated by Angela, Mary had finally recovered her health and was able to return to her job.
After a few days, having completely forgotten about the vials, there was somethin unexpected for Mary.
Her transformation finally started.