← All storiesHealthDeveloping story

HHS rejects publication of study showing Covid-19 vaccines prevent hospitalizations, ER visits | CNN

Covid-19 vaccines roughly halved the chances that a US adult would need to visit the emergency room or be hospitalized with their infections last fall and winter, according to two sources familiar with the findings of a new study. But you won’t hear about it from the agency that led the research: the US Centers for Disease Control and Prevention. The current head of the CDC, Dr. Jay Bhattacharya, who’s also director of the US National Institutes of Health, blocked the publication of those findings in the CDC’s flagship journal, the Morbidity and Mortality Weekly Report, according to the sources. The authors of the study received an official rejection letter from the journal on Tuesday, one source said, even though the study had cleared internal reviews and had been scheduled for publication. Andrew Nixon, deputy assistant secretary for media relations at the US Department of Health and Human Services, confirmed that the study had been rejected. “Scientific reports are routinely reviewed at multiple levels to ensure they meet the highest standards before publication. The MMWR’s editorial assessment identified concerns regarding the methodological approach to estimating vac

1
updates in timeline
1
distinct sources
1 day
story span
Apr 22, 2026
latest update

Apr 22, 2026 → Apr 22, 2026

LATEST DEVELOPMENT
Apr 22, 2026·CNNT2 · Outlet report
HHS rejects publication of study showing Covid-19 vaccines prevent hospitalizations, ER visits | CNN

Covid-19 vaccines roughly halved the chances that a US adult would need to visit the emergency room or be hospitalized with their infections last fall and winter, according to two sources familiar with the findings of a new study. But you…

Read original at CNN →
ACTIVITY · UPDATES PER MONTH
Apr 26

1 updates from 1 source.

Showing 1 of 1 updates

Timeline (1 updates)

April 2026

1 update
Apr 22, 2026·CNNT2 · Outlet reportLATEST
HHS rejects publication of study showing Covid-19 vaccines prevent hospitalizations, ER visits | CNN

Covid-19 vaccines roughly halved the chances that a US adult would need to visit the emergency room or be hospitalized with their infections last fall and winter, according to two sources familiar with the findings of a…

Read original at CNN →

Sources & evidence (1)

What this story stands on. Tier 0 is a primary record or the subject's own words; higher tiers must be attributed, never stated as bare fact.

T2 · Outlet report× 1
COVERAGE BY SOURCE
CNN 1
STRONGEST EVIDENCE
T2 · Outlet reportCNNApr 22, 2026

Covid-19 vaccines roughly halved the chances that a US adult would need to visit the emergency room or be hospitalized with their infections last fall and winter, according to two sources familiar with the findings of a new study. But you…

View source →

Tier key: T0 = Primary source · T1 = Wire · T2 = Outlet report · T3 = Commentary

Related stories

HealthT2 · Outlet report

Step into Mason’s world | CNN

EDITOR’S NOTE: April is Autism Acceptance Month. (CNN) — One in 31: That’s the estimated number of children identified as having autism spectrum disorder by age 8 in the…

1 update1 source
Apr 26, 2026
Latest: Step into Mason’s world | CNN · CNN
PoliticsT2 · Outlet report

RFK Jr.’s testimony on measles outbreaks draws mixed responses | CNN Politics

The Health and Human Services secretary faced questions from two Senate committees today. • US Health and Human Services Secretary Robert F. Kennedy Jr. was back on the Hill for…

2 updates1 source1 day long
Apr 22, 2026 → Apr 23, 2026
Latest: RFK Jr. wants to add specialists to preventive care panel. Experts say it’s the wrong move | CNN · CNN
GeneralT2 · Outlet report

Kathy Attawell obituary

My friend Kathy Attawell, who has died suddenly aged 65, dedicated herself to improving public health in developing countries. Her contributions to the HIV response, and to…

1 update1 source
Apr 23, 2026
Latest: Kathy Attawell obituary · The Guardian
GeneralT2 · Outlet report

UK drug exports to US spared tariffs under deal critics say will cost NHS billions

‘Partnership’ on drug pricing also gives patients in Britain greater access to potentially life-extending treatments British drug exports to the US will escape tariffs imposed by…

5 updates3 sources3 weeks long
Apr 2, 2026 → Apr 22, 2026
Latest: UK Approves Lifelong Ban on Smoking for People Born After 2008 · Gizmodo
PoliticsT2 · Outlet report

How RFK Jr.’s MAHA agenda keeps hitting roadblocks | CNN Politics

For more than a month, President Donald Trump’s pick for surgeon general, Casey Means, has sought private meetings with the two Republican senators threatening to sink her…

6 updates4 sources2 weeks long
Apr 1, 2026 → Apr 18, 2026
Latest: RFK Jr clashes with Dem lawmaker over Trump’s mental fitness in heated exchange · Fox News
GeneralT2 · Outlet report

Dangerous super typhoon barreling toward group of remote US islands

Typhoon expected to make landfall Tuesday in Northern Mariana Islands and bring heavy winds, rain and flooding A dangerous super typhoon in the Pacific Ocean is barreling toward a…

2 updates2 sources3 days long
Apr 13, 2026 → Apr 16, 2026
Latest: Trump picks Erica Schwartz as next head of CDC · BBC