Case 216

 An eighty-year-old female presented in our hospital for cough and mild fever of 37.5℃. Four days before, she had a meal in a coffee shop with the person who was later clarified to be positive on COVID19. Then, she received PCR test yesterday which revealed to be positive. The local public health care advised her to be admitted in our hospital.  She received chest CT four days after (Fig. 1), eight days after (Figs. 1-3), and fifteen days after (Figs. 4-6) she contacted with the patient with COVID19.

What is the latent term of COVID19 ?

1.　Within a day

2.　A few days

3.　Several days

4.　Ten days

5.　Two weeks

answer

2020.12.23