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Search Results for: flu

Is ‘Immunity Debt’ Behind China’s Rising Childhood Pneumonia Cases?

Data and Metrics Infectious Diseases

TL;DR: There is no “immunity debt” for individuals. But *populations* can experience a “catch-up” period after a period of low virus transmission, which is what seems to be happening in China right now. Recent reports of a high number of cases of childhood pneumonia in China definitely made epidemiologists a tad nervous. But so far, Read more…

Why does the flu vaccine have to be updated every year?

Infectious Diseases Vaccines

Three reasons: 1. Influenza viruses mutate over time, 2. the virus strains circulating can vary year to year, and 3. our immunity wanes over time. That’s why the flu vaccine formula needs to be updated yearly, and we need to get a flu shot each season to be well-protected. Influenza viruses have proteins on their surface: hemagglutinin (HA) and neuraminidase (NA). Read more…

Nerdy Girls Live 11/17/23

Vaccines Videos

Those Nerdy Girls answer your questions about fall vaccines for COVID-19, flu, and RSV. Hosted by: – Ashley Ritter, APRN, PhD: TNG Founding Member & Contributing Writer – Chana Davis, PhD: TNG Contributing Writer & Founder of Fueled by Science https://youtu.be/o6VIv6eWXhM?si=tPF-mXLGojFvtZ1J ➡️ Welcome and Intros (0:00-0:59) ➡️ Who needs an RSV vaccine and why? What Read more…