That is one of the (many) million dollar questions during this COVID-19 pandemic. Whatever the answer, public health recommendations to wear masks and keep distance from others are both necessary and precautionary as cases continue to rise in the United States. An excellent review of the science by Jayaweera et al. is found here: https://www.sciencedirect.com/science/article/pii/S0013935120307143?via%3Dihub. Conclusion: we need more research to understand the virus as well as to make evidence-based decisions around prevention.
Webinar: The Epidemiology of COVID-19 at 6 months: 10 things we know and 10 we don’t
Friday, June 19, 2020 at 11:00 AM
As we arrive at the 6-month mark from when the world was first introduced to SARS-CoV2 from its origins in Hubei province, China, scientists, medical doctors and public health professionals have been working at a frenzied pace to understand the new virus. This webinar will review what is currently known about the epidemiology COVID-19, the disease caused by the virus, and discuss what we still need to learn. The presentation will include an overview of core concepts in epidemiology which we will apply to our discussion.
To watch a recording of the webinar: https://tinyurl.com/ycwe4uqa