Is the sequence of the spike protein different between the different vaccines?


A: Yes! The AstraZeneca vaccine uses the wild-type protein sequence while the Moderna, Pfizer/BioNTech, Novavax and Janssen include a slight modification to the sequence meant to stabilize the protein in the “prefusion” conformation. SARS-CoV-2 uses the spike protein to enter the human cell. The spike protein is like a key that the virus uses to

Pfizer vaccine reported safe and effective in kids ages 12-15!

Families Vaccines

The company will soon apply to extend their emergency use authorization for this age group in the U.S and other countries. In a press release earlier today, Pfizer and BioNTech announced results from their Phase 3 study of 2,260 adolescents ages 12-15. Key results: ➡️ There were 18 cases of COVID-19 in the trial….. ALL

My uncle is knee-deep in COVID conspiracy theories. Any tips for respectfully engaging him?

Uncertainty and Misinformation

A: Experts recommend the SART strategy: Show empathy; Affirm critical thinking; avoid Ridicule; and invoke conspiracy theory “exiters” as Trusted messengers. And it never hurts to remember that as humans we need to feel heard before we can truly listen. Ah, conspiracy theories. We’ve all been exposed to them – wildly inaccurate hot-takes about COVID,

Is there treatment for persistent fatigue experienced months after testing positive for COVID-19?

Clinical Symptoms

A: Yes. While there is no easy fix, there are ways to manage and improve post-viral fatigue. The constellation of symptoms suffered weeks and even months after being diagnosed with COVID-19 is called “long COVID”, post-COVID-19 syndrome, or post-acute sequelae of SARS-CoV-2 (PASC). People with this condition have been dubbed “long haulers.” Fatigue is one

¿La vacuna contra COVID-19 solo dura 90 días?

Posts en Español Vaccines

R: No. Realmente no hay razón para pensar que la protección de las vacunas desaparece después de 90 días. Sabemos que la vacuna durará más de 90 días, pero no sabemos por cuánto tiempo. Recientemente los Centros para el Control y la Prevención de Enfermedades (CDC) en EE.UU. actualizaron su guía sobre la cuarentena después

Do I need the vaccine if I’ve already been infected with COVID-19?

Biology/Immunity Vaccines

Q: Do I need the vaccine if I’ve already been infected with COVID-19? Isn’t natural immunity better? A: Vaccines produce STRONGER and MORE CONSISTENT antibody responses to SARS-CoV-2 than natural infection, meaning EVERYONE can benefit from the protection. 💥 Don’t give away your shot! As more people become eligible for the COVID-19, we’ve heard some

Those Nerdy Girls Profiled in National Geographic


ICYMI: Those Nerdy Girls were recently profiled in National Geographic Magazine! Some highlights: “It’s like Grey’s Anatomy, Sex in the City, Friends, The Crown—name your favorite show. That’s me and the Nerdy Girls on Saturday,” she says. ~Susan Guariano, a Newark, Delaware, resident, tunes in every week (to FB live Q&As). “In a world where