Posts by Chana Davis, PhD, Contributing Writer

Nerdy Girls Live 03/09/23 March 9, 2023

Help! How can I stop the spread of a “stomach flu” caused by Norovirus? February 9, 2023

Dear Pandemic Live Q&A 01-18-23 January 18, 2023

Do rapid antigen tests detect the latest COVID-19 variants? January 18, 2023

What is the contagious period for the flu? December 19, 2022

Dear Pandemic Live Q&A 11-21-22 November 21, 2022

Nerdy Girl Live Q&A on Mon, 11/21: Triple Threat Thanksgiving & Science Denial November 19, 2022

Should I get screened for breast cancer? October 25, 2022

Should I throw out my “expired” COVID-19 rapid antigen tests? September 15, 2022

Dear Pandemic Live Q&A 09-02-22 September 2, 2022

How well do COVID-19 rapid antigen tests work? Is a single antigen test enough? August 24, 2022

Dear Pandemic Live Q&A 08-12-22 August 12, 2022

What is going on with Paxlovid rebound? July 27, 2022

What are the side effects of the Moderna COVID-19 vaccine in young kids? July 13, 2022

Dear Pandemic Live Q&A 07-08-22 July 8, 2022

Rapid Antigen Testing: When to Test July 5, 2022

What are the health impacts of COVID-19 on young children? June 21, 2022

Good news! Moderna’s new Omicron-inspired COVID vaccine looks promising. June 10, 2022

Dear Pandemic Live Q&A 06-06-22 June 7, 2022

Dear Pandemic Live Q&A 05-07-22 May 7, 2022

Help! It’s Day 10 and my rapid antigen test is still positive. Am I contagious? May 5, 2022

Nerdy Girl Live Friday, 5/6 @ 1 pm EDT! May 4, 2022

Will a positive COVID test thwart your spring break plans? March 21, 2022

What is the new COVID “Test to Treat” initiative in the United States? March 9, 2022

Does breastfeeding protect my baby from COVID-19? February 26, 2022

Did I already have COVID-19? Antibody testing 101. February 25, 2022

Do throat swabs help detect the Omicron variant? February 9, 2022

When is the best time to test for COVID-19? January 28, 2022

Does a positive COVID test mean that I’m contagious? January 19, 2022

UPDATE on detecting Omicron with Rapid Antigen Tests: January 2, 2022

Can our current COVID-19 diagnostics, like PCR tests and rapid antigen tests, detect the Omicron variant? December 13, 2021

What do we know (and not know) about delaying the second vaccine dose in kids? December 4, 2021

What are the side effects of COVID-19 vaccines in kids ages 5-11? November 11, 2021

My kid has a runny nose. Should we get tested? October 15, 2021

Should I get tested after X (fill in the blank)? October 8, 2021

I’ve been exposed to COVID-19! When should I get tested? September 29, 2021

Should I take a COVID-19 rapid antigen test? Part 1 in a Series September 24, 2021

Are over-the-counter COVID-19 tests reliable? June 17, 2021