The chances of spreading the flu are greatest 3-4 days after symptoms appear. However, some people can spread the flu anytime over the course of infection from 1 day before symptoms develop to 7 days after becoming sick. People with weakened immune sstems can infect others for an even longer time.
Reference:
Stay tuned for a more complete launch of InformedMedicine in Fall of 2020. In the meantime, we will start to post commonly asked questions to COVID to help with staying informed on the coronavirus. In addition, submit your questions and we will answer them and notify you when the info is posted!
Created by clinicians, we are focused on helping anyone connect and find high quality, trusted medically reviewed content that answers your health questions. We reference content from major academic medical institutions, professional medical societies, clinical content sources, government agencies, and peer-reviewed publications.