Photo by Ivan Aleksic on Unsplash

Brazilian physicians and scientists work to answer urgent questions about the 2015 Zika epidemic — while waiting for the next one.

Occupational therapist Mayara Barata works with 2-year-old Nicolas, who has Zika congenital syndrome, in a photo of December 2017.

Recent studies have deepened our understanding of in-flight Covid-19 risks

Photo: Darryl Brooks/EyeEm/Getty Images

Inside the puzzle to reconstruct the history of SARS-CoV-2 and how it spilled over into humans

Illustration: Bernice Liu

Understanding infants’ peculiar response to the virus may be a key to finding new treatments

Photo: Sirapat Saeyang/EyeEm/Getty Images

One scientist studying centenarians believes the answer may be in their genes

Illustration: Virginia Gabrielli

An uncoordinated response, political polarization, and the sheer size of the country may help explain it

Photo illustration. Photos (Getty Images): alexey_ds/daboost

The risks you need to weigh and the precautions you need to take

Photo: Orbon Alija/Getty Images

Heartbeat monitoring could help achieve your more ambitious fitness goals

A sweaty young woman takes a break while exercising outdoors.
Photo: Peopleimages/E+/Getty Images

Why your face looks tired when you’re tired

Photo: Westend61/Getty Images

Mariana Lenharo

Science and health journalist with a special interest in evidence-based medicine and epidemics. Columbia Journalism School alumna.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store