CDC

New York declares first US measles disaster emergency since 2025 surge

The state expanded the pool of health professionals allowed to administer measles-mumps-rubella (MMR) vaccines as cases rise in rural communities.

Measles infection (illustrative)
A close-up view of a large pile of green jalapeño peppers

What do we know about the multistate salmonella outbreak in the US? - explainer

Erica Schwartz attends her confirmation hearing to become director of the Centers for Disease Control and Prevention with the Senate Health, Education, Labor and Pensions Committee on Capitol Hill July 15, 2026 in Washington, DC.

Dr. Erica Schwartz confirmed as new CDC director by US Senate

Lettuce is displayed for sale, amid reports of slumping consumer confidence in lettuce and other fresh produce during the current cyclosporiasis outbreak that has sickened thousands across the US, at a grocery store in Washington, DC, US, July 24, 2026.

CDC expands largest known cyclosporiasis outbreak to 15 states - report


Pandemic lockdowns linked to decline in US twin births -study suggests

The largest decline in twin births was seen in women over age 40, the group most likely to use infertility treatment.

 AN ULTRASOUND examination for a pregnant woman at a gynecology clinic in Tel Aviv.

Long-COVID treatment effective for lingering effects - US-Israeli study

An international group of 3,762 participants from 56 countries identified 203 symptoms in 10 organ systems that persisted at least four weeks after a confirmed diagnosis of COVID-19.

A woman gets a COVID-19 test during the coronavirus disease pandemic in the Manhattan borough of New York City, New York, US, December 17, 2021.

Flu season is upon us. Here's what you need to know

Every year, we are urged to get vaccinated against the flu, but this year it is more urgent than ever.

Pre-filled M-001 universal flu vaccine syringes

US First Lady Dr. Jill Biden tests positive for COVID-19

First Lady Jill Biden is staying in South Carolina after testing positive for COVID-19.

US first lady Jill Biden delivers remarks at Des Moines Area Community College, Ankeny Campus, in Ankeny

Polio case identified in Rockland County, New York

Polio case was identified in Rockland County, New York and later confirmed by CDC. Tests showing it originated outside of the US.

 A girl receives polio vaccine drops, during an anti-polio campaign, in a low-income neighborhood as the spread of the coronavirus disease (COVID-19) continues, in Karachi, Pakistan July 20, 2020.

CDC Monkeypox guidelines: Have sex with clothes on, masturbate six feet apart

The new CDC guidelines are meant to inform people on how to manage the risk of contracting Monkeypox at social gatherings or during sexual encounters. 

 : A general view of Centers for Disease Control and Prevention (CDC) headquarters in Atlanta

CDC recommends Moderna's COVID vaccine for children 6 months-5 years

President Joe Biden's administration plans to roll out the vaccines to the under-5 age groups as early as next week.

 A healthcare worker holds a vial of the Moderna COVID-19 Vaccine at a pop-up vaccination site operated by SOMOS Community Care during the coronavirus disease (COVID-19) pandemic in Manhattan in New York City, New York, U.S., January 29, 2021.

Africa reports 1,597 suspected monkeypox cases, 66 deaths this year - CDC

Monkeypox is endemic in parts of Africa. More than 30 countries where the viral disease is not endemic have reported outbreaks this year, most of them in Europe.

 Electron micrograph of monkeypox virus.

COVID-19: BA.4, BA.5 Omicron subvariants make up 13% of all US cases

BA.4 made up 5.4% of the variants in the country for the week ending June 4, according to CDC estimates, while BA.5 made up 7.6% of the variants during the same time.

 The coronavirus Omicron variant (illustrative).

Third case of monkeypox found in Israel

Over 1,000 monkeypox cases have been reported in 29 countries since early May, according to the CDC.

 Test tubes labelled "Monkeypox virus positive" are seen in this illustration taken May 22, 2022.