Lena H. Sun

Washington, D.C.

National reporter focusing on health

Education: Cornell University, BS in communication; Columbia University, MA in journalism

Lena H. Sun is a national reporter for The Washington Post covering health, with a special focus on public health and infectious disease. A longtime reporter at The Post, she has covered a variety of beats, including the Metro transit system, immigration and education. She has also served as The Post's Beijing bureau chief.
Latest from Lena H. Sun

Booster effectiveness wanes after 4 months, but showed sturdy protection against hospitalization, CDC study shows

Booster shots of the Pfizer-BioNTech and Moderna vaccines lose substantial effectiveness after about four months, and data suggested that additional boosters may be needed.

February 11, 2022

    What you need to know about the coronavirus vaccine for kids ages 5 to 11

    Children ages 5 to 11 are eligible for the coronavirus vaccine in the United States, which health experts say is key in halting virus spread and preventing serious illness.

    February 9, 2022

    CDC plans to let people with weakened immune systems get a booster earlier

    That means allowing a fourth Pfizer or Moderna shot at three months instead of five.

    February 4, 2022

    CDC to expand wastewater monitoring to help track coronavirus trends

    Officials want to expand the system to detect other pathogens and outbreaks of food-borne diseases.

    February 4, 2022

    CDC study finds shorter hospital stays during omicron wave, even as infections and death toll mount

    Despite the omicron variant’s lesser severity, its rapid spread has led to large numbers of hospitalizations and more than 2,200 deaths daily.

    January 25, 2022

    Booster shots in U.S. have strongly protected against severe disease from omicron variant, CDC studies show

    But uptake has slowed in the U.S., with most people eligible for the additional shots declining to get them.

    January 21, 2022

    Biden touts work on pandemic, calls it ‘a job not yet finished’

    It's the largest deployment of personal protective equipment in U.S. history, a White House official said.

    January 19, 2022

    White House to distribute 400 million free N95 masks starting next week

    The masks for adults will be free at thousands of pharmacies and other locations starting next week.

    January 19, 2022