Table 1.
Characteristics of patients with COVID-19 in this clustered outbreak.
| First-generation | Second-generation |
Third-generation |
Fourth-generation |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Case A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | |
| Sex (Male:1; Female:0) | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |
| Age(year) | 35 | 61 | 64 | 36 | 74 | 71 | 56 | 55 | 9 | 51 | 51 | 50 | 50 | 47 | 43 |
| Underlying diseases (Yes:1; No:0) | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Clinical severity* | Normal | Critical | Normal | Mild | Normal | Mild | Normal | Normal | Mild | Asymptomatic | |||||
| Exposure history | Attended the same meeting, lived in the same hotel and ate in the hotel's restaurant, with more than ten Wuhan people from January 15 to 16 | A family of three, together with case A, traveled to Japan from January 19 to 24 | Dinner at the same table with cases C and D at noon on January 25 | Dinner with parents (cases E, F) for many times from January 26 to 31 | Dinner with parents (cases E, F) for many times from January 27 to 31 | Dinner with parents (cases E, F) two times on January 31 | Play mahjong with Case G for 4 hours on the evening of January 28 | ||||||||
| Exposure duration/interval | 15–16 Jan | 19 - 24 Jan | 25 Jan | 26 – 31 Jan | 27 – 31 Jan | 31 Jan | 28 Jan | ||||||||
| Date of symptom onset | 26 Jan | 22 Jan | 1 Feb | 31 Jan | 3 Feb | 3 Feb | 6 Feb | 28 Jan | 6 Feb | Asymptomatic infections | |||||
⁎
Patients were classified by their most severe status as of March 11, 2020.