Lena H. Sun

Author's posts

Tally of covid-19 cases after CDC conference climbs to 181

The meeting of disease detectives from the Centers for Disease Control and Prevention drew 1,800 attendees.

Suspected deadly fungal infections linked to surgery in Mexico

The CDC issued a health advisory and a travel advisory after five women developed meningitis following surgical procedures in the border city of Matamoros.

End of covid emergency highlights U.S. weakness in tracking outbreaks

The end of the covid public health emergency highlights longstanding vulnerabilities of a technologically weak and fractured public health surveillance system.

CDC Director Rochelle Walensky to step down June 30

Walensky’s two-year tenure at the CDC included the successful rollout of coronavirus vaccines, but was also marked by criticism for other pandemic stumbles.

What the end of the covid public health emergency means for you

Here’s how major health policies will be affected when the covid public health emergency ends on on May 11.

CDC opens probe after 35 test positive for covid following CDC conference

Attendees say many people did not mask, socially distance or take other precautions recommended earlier in the pandemic.

CDC allows second covid booster: Who should get it and when

Here’s what you need to know about whether and when to get a second covid booster.

My mom died while I was covering covid. It changed my views on grief.

My mother was one of more than 1 million Americans who died of covid. We are a nation awash in grief, an experience of loss that forced us to find new ways to mourn — and carry on.

What to know about Shigella, the drug-resistant stomach bug on the rise

A recent health advisory described these infections as a “serious public health threat.”

CDC issues warning about rise in highly drug-resistant stomach bug

Infections of shigellosis are on the rise, and an increasing number of cases are caused by strains that resist treatment with common antibiotics.