Gretchen Peterson

¿Cuándo pueden los adultos mayores completamente vacunados volver a ver a familiares y amigos?

Families/Kids Posts en Español Vaccines

R: El estatus de “Vacunación Completa” (2 dosis + 1-2 semanas) ofrece una capa adicional de protección, pero no es una solución milagrosa. Las vacunas existentes de COVID-19 reducen drásticamente el riesgo de infección severa y de muerte. Aún no está claro en qué medida las vacunas reducen la infección o transmisión asintomática. Las estrategias Read more…

What’s the news on the Johnson & Johnson vaccine?

Vaccines

A: The news is GOOD!! TL;DR: The single-shot vaccine provides strong protection against COVID-19 severe disease and death, and requires only normal refrigeration. Johnson & Johnson is a “viral vector” vaccine, in which a non-replicating adenovirus (a cause of common cold) is used as a delivery service for instructions to create the coronavirus spike protein. Read more…

500,000 deaths in the US

Data and Metrics

Today we take a moment to remember each and every person who died of COVID-19 in the last 11 months — 500,000 deaths in the US as of yesterday. Large numbers are hard to put into context. In our absence of words to capture the trauma and tragedy of this massive societal and personal loss, Read more…

Dr. Alison Buttenheim Testifies Before Congress

Vaccines

We’re interrupting your regular feed to bring you this shameless brag: On Friday, our co-founder Dr. Alison Buttenheim, PhD, MBA, of the University of Pennsylvania School of Nursing, testified before Congress at a hearing of the United States House of Representatives Committee on Science, Space, & Technology. The hearing, titled “Science of COVID-19 Vaccines and Read more…

Dear Pandemic COVID Q&A

Mental Health Staying Safe Vaccines Videos

In this live Q&A, Dear Pandemic contributing scientists Drs. Sandra Albrecht and Malia Jones will be taking questions about pet birds, what 95% efficacy really means, when safety measures are just too much, and what’s up with that CDC thing about vaccines wearing off in 3 months. If you have a question, put it in Read more…

¿Algún país está combinando las vacunas contra el COVID-19?

Posts en Español Vaccines

R: No, pero un pequeño ensayo clínico con este enfoque acaba de comenzar en el Reino Unido. ¿En qué consiste esta estrategia? Se refiere al uso y combinación de diferentes tipos de vacunas para la primera y segunda dosis. Hace unas semanas algunos titulares incorrectamente sugirieron que el Reino Unido estaba adoptando esta estrategia, pero, Read more…

What accounts for the recent drop in COVID-19 cases in the US?

Data and Metrics Infection and Spread

Q: It looks like Covid-19 infection rates have dropped significantly in the US since the vaccine became available. Is the vaccine already having an impact? What else would account for the drop?” A: Of all the possible explanations — vaccination, immunity from prior infection, behavior change, seasonality, and less testing — the best answer seems to Read more…