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Infection and Spread

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Do I still have to wear a mask outside?

Infection and Spread Masks

A: It depends. Remember that outside is much safer, but it’s not magic! ☀️ We’re all anxious to get outdoors as the weather improves. Shedding our masks along with our long pants is SO tempting. Because SARS-CoV-2 is most often spread through “swapping air” with others, ventilation is a key factor in transmission. 💨Outdoor air

If we have never achieved herd immunity with the flu, the common cold and many other diseases, what makes it possible to reach herd immunity with COVID-19?

Infection and Spread Vaccines

A: Some diseases are more elusive than others when it comes to herd immunity, and your two examples are among the elusive ones. In order to be a candidate for herd immunity, we need a disease caused by one specific virus. The virus has to be easily recognized by the immune system; it can’t mutate

Dear Pandemic COVID Q&A

Infection and Spread School Staying Safe Testing and Contact Tracing Vaccines Videos

In this live Q&A, we’re teaming up with our science gal-pals at the Unbiased Science Podcast, Drs. Andrea Love and Jessica Steier! We’ll be answering reader questions about antibody testing after vaccination, viral variants & kids, #thrifting, and whether your COVID-19 vaccine can make you test positive for COVID.  https://www.facebook.com/unbiasedscipod/ ➡️ Welcome, Intros, and Comments

What are the rules for family get-togethers with vaccinated adults and unvaccinated kids?

Families Infection and Spread

A: We offer a few guiding principles. Severe complications of COVID-19 infection are significantly decreased among the vaccinated but infection risk is not zero. Unvaccinated people remain at risk of infection +/- complications. Determine what is important. Maintain as many risk mitigation strategies as realistic. This is not over yet. ☠️ Vaccination greatly decreases the

Can I go back to my indoor fitness classes?

Infection and Spread Staying Safe

A: The Nerdy Girls LOVE your efforts to stay fit, but best to hang on to those online or outdoor workouts a bit longer. TL;DR: Heavy breathing, no masks, and indoors is the perfect recipe for SARS-CoV-2 transmission. A recent U.S. CDC report described an outbreak linked to an unnamed fitness facility in Chicago in