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Why might Delta be more transmissible?


A: In the words of virologist Dr. Angela Rasmussen, “people infected with Delta are shedding a s**t-ton more virus than with earlier variants.” A newly released study has provided some clues to Delta’s transmissibility tricks by testing viral loads in quarantined close contacts of confirmed cases. Contacts were tested daily by PCR, and the course

WHO announces new names for SARS-CoV-2 variants


Let’s face it: B.1.1.7 and B.1.351 don’t easily roll off the tongue. While naming variants after the place they were first identified is common in virology, during the pandemic there has been concern about stigmatizing particular countries when using these names in public discussions. The WHO has adopted a new Greek alphabet naming system to

What is gene therapy? How is it different from vaccines?

Biology/Immunity Uncertainty and Misinformation Vaccines

A: Gene therapies treat diseases using genetic tools. They usually work by making lasting changes to your DNA — the genetic “cookbook” that provides instructions to make you. Vaccines, by contrast, deliver a short-lived signal (e.g. a burst of protein), then disappear. Vaccines and gene therapies both use customized genetic tools to achieve their goals.

Can COVID-19 cause erectile dysfunction (ED) or affect sperm? (Updated 5/24/21)

Biology/Immunity Clinical Symptoms

A: It’s possible. #VaxUpToGetItUp TL;DR: Due to its impact on inflammation and the vascular system, it is biologically plausible that COVID-19 contributes to erectile dysfunction. But as with much COVID-19 research more, ahem, hard data is needed. COVID-19 infection HAS been associated with a reduction in sperm counts in early research. A recent study found

¿Tendré una respuesta “hiperinmune” si estoy expuesto a variantes actuales o n

Biology/Immunity Posts en Español Vaccines

R: No. No hay evidencia de que las personas vacunadas contra COVID-19 tengan una respuesta hiperinmune si son expuestas al virus. En resumen: La exposición al SARS-CoV-2 después de haber recibido la vacuna contra COVID-19 no resulta en una respuesta inmune exagerada o peligrosa. Cientos de millones de personas en todo el mundo ya han

Herd Immunity – Are we there yet?


We’re getting more and more questions about herd immunity–are we there yet?! Your own nerdy girl Dr. Malia Jones published an essay on Slate.com this week that’s all about herd immunity, and we know you’ll want to check it out! Three points to take home: 1. Herd immunity is a policy goal, not a light

Dear Pandemic COVID Q&A

Biology/Immunity Families/Kids Vaccines Videos

Malia Jones of Dear Pandemic and Alison Bernstein of Mommy, PhD and SciMoms are teaming up to talk blood donations, CDC mask guidance, kids’ vaccines, and herd immunity. ➡️ Welcome, Intros, and chit chat (0:00-1:58) ➡️ Will blood donation after vaccination lessen my immunity or provide immunity to the person receiving my blood? (2:00-3:30) ➡️