Li (2020)
The characteristics of household transmission of COVID-19
10.1093/cid/ciaa450/5821281
https://academic.oup.com/cid/advance-article/doi/10.1093/cid/ciaa450/5821281
Other
Exposure-period with infected persons in households (0-1 day vs. >1 day)
SARS COV-2 infection
Odds ratio: 0.900 (0.610-1.330) Adjusted model

China

Retrospective observational study

Medical records

497

The study included 105 index patients with SARS-CoV-2 RT-PCR positive test and a total of 392 eligible household contacts from the 105 family clusters

The median age of the index patients was 51 (25th to 75th percentile, 39 to 60 years) and 60 (57.1%) were male.

Total

2 Month


SARS COV-2 infection

64

SARS-CoV-2 RT-PCR positive test


Other

Exposure-period with infected persons in households

Exposure-period with infected persons in households

>1 day

0-1 day


Odds ratio

0.900 (0.610-1.330)

No

No

Yes

sex, age, relationship, quarantine, symptoms, exposure period


none

Average

No