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Alexandra Sifferlin
Health and science journalist. Former editor of Medium’s Covid-19 Blog and deputy editor at Elemental. TIME Magazine writer before that
Photo: Robina Weermeijer/Unsplash

When she was in her early 20s, Louise Benge — then Louise Proctor — worked in a small office in Mount Vernon, Kentucky for the state’s department of human resources. When it was time for her daily break, she would walk down a small hill to grab lunch. Though Louise…


Dear Reader,

Here’s a first: Some non-Covid news to share with you all. It’s bittersweet to announce that this is my final Coronavirus Blog newsletter. Today is my last day at Medium, as I am beginning a new role at the New York Times. It’s been an honor to navigate…


Anecdotally, some people have reported feeling side effects after their second shot of an mRNA Covid-19 vaccine. Science reporter Katherine Wu digs into the reasons why in a new piece for The Atlantic. Bottom line: It’s a sign the immune system is kicking into gear. Wu writes:

My husband had…


Dear Reader,

The vaccine rollout is happening worldwide with varied success. But the promise of adding more vaccines to the arsenal is really encouraging news. AstraZeneca and University of Oxford released data today showing their vaccine cuts down on transmission. Great!

As I wrote earlier this week, some may wonder…


Credit: Boston Globe / Getty Images

The vaccine rollout is happening worldwide with varying degrees of logistical success. In the United States, the two vaccines currently approved for emergency use include one from Moderna and one from Pfizer-BioNTech, both with over 90% reported efficacy rates.

Other vaccines will likely soon be reviewed by the U.S. Food…


Dear Reader,

More infectious variants of the coronavirus have been confirmed in the United States. Most recently, the South Africa variant B.1.351 was detected in two people in South Carolina.


Dear Reader,

It’s a unique moment in the pandemic. Things are objectively not great with very high numbers of people dying from Covid-19 each day. But there are some encouraging signs: Cases, hospitalizations, and deaths seem to be easing after a scary holiday surge. …


There are a few states that are progressing faster than others when it comes to getting residents vaccinated. West Virginia is one of those states. According to Bloomberg, the state has used 73% of its shots so far. The reason? As Yuki Noguchi reports for NPR, West Virginia is the…


Dear Reader,

There’s early momentum by the new Biden-Harris administration to change the trajectory of the Covid-19 pandemic in the United States. Masks are required in more places, and the manufacturing of protective gear and vaccines will ramp up. People will finally hear from the nation’s doctor, Dr. Anthony Fauci…

Alexandra Sifferlin

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