4 doctors weighed in:

Is a person with sars contagious before symptoms appear?

4 doctors weighed in
Dr. William Walsh
Addiction Medicine
2 doctors agree

In brief: Yes

Often, early in the incubation period the patient will shed virus prior to becoming ill; usually for this virus that period can be 3-10 days.

In brief: Yes

Often, early in the incubation period the patient will shed virus prior to becoming ill; usually for this virus that period can be 3-10 days.
Dr. William Walsh
Dr. William Walsh
Thank
Dr. Michael Ein
Internal Medicine - Infectious Disease

In brief: Not very

Patients with sars are most contagious only after lower respiratory disease developed.

In brief: Not very

Patients with sars are most contagious only after lower respiratory disease developed.
Dr. Michael Ein
Dr. Michael Ein
Thank
Get help from a real doctor now
Dr. Aaron Milstone
Board Certified, Internal Medicine - Pulmonology
23 years in practice
1M people helped
Continue
108,000 doctors available
Read more answers from doctors