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Infectious Disease
Observational report links COVID-19 outbreaks to overnight youth camp and men's conference attendance in Illinois
How did COVID-19 spread between a youth camp and a men's conference?
An observational report describes epidemiologically linked COVID-19 outbreaks among attendees of an overnight youth camp and a men's confere…
A new report confirms COVID-19 outbreaks at an Illinois youth camp and a men's conference were linked, showing the virus traveled between th…
CDC
Apr 6, 2026
Infectious Disease
Observational study in New York adults finds stable vaccine protection against COVID-19 hospitalizations
COVID-19 vaccine protection against hospitalizations remained stable in New York adults
An observational study of adults in New York found COVID-19 vaccine effectiveness against hospitalizations remained stable, while effectiven…
COVID-19 vaccines kept hospitalization protection steady in New York adults while defense against new infections dropped during May-July 202…
CDC
Apr 6, 2026
Infectious Disease
School-based COVID-19 testing participation higher among Hispanic/Latino and minority students in observational study
Study finds higher COVID-19 testing participation among Hispanic and minority students in Utah schools
An observational study of 594 students exposed to COVID-19 at 13 Utah elementary schools found higher participation in in-school testing pro…
Hispanic and minority students in Utah schools participated more in a COVID-19 testing program than non-Hispanic White students during the 2…
CDC
Apr 6, 2026
Infectious Disease
Emergency department visits during COVID-19 pandemic period compared to prior year
How did the COVID-19 pandemic change who went to the emergency room?
An observational report examined changes in U.S. emergency department visits during the COVID-19 pandemic period (December 2020-January 2021…
A new report compares emergency room visits during the early pandemic to the year before, but it leaves the key finding about who went to th…
CDC
Apr 6, 2026
Infectious Disease
Observational report describes SARS-CoV-2 arrival testing for travelers at Alaska airports
Alaska airports tested arriving passengers for COVID-19, but results are not yet available
An observational report describes SARS-CoV-2 arrival testing for travelers at Alaska airports. No sample size, main results, or comparator w…
Alaska airports tested arriving passengers for COVID-19, but results are not yet available.
CDC
Apr 6, 2026
Infectious Disease
Safety monitoring finds 97% nonserious reactions to Janssen COVID-19 vaccine, detects 17 thrombotic events
Safety monitoring finds most reactions to Johnson & Johnson COVID-19 vaccine were not serious.
A safety monitoring report of nearly 8 million Janssen COVID-19 vaccine doses administered in the United States found 97% of reported reacti…
Safety monitoring of nearly 8 million Johnson & Johnson vaccine doses found that 97% of reported reactions were not serious.
CDC
Apr 6, 2026
Infectious Disease
Omicron Variant Outbreak Reported Among Attendees at New York City Convention
Omicron variant outbreak linked to convention attendance in New York City
An outbreak investigation report describes an outbreak of SARS-CoV-2 Omicron variant infections among persons in a social network attending …
Health officials linked an Omicron outbreak in New York City to a recent convention, showing how the virus spreads quickly in crowded social…
CDC
Apr 6, 2026
Infectious Disease
SARS-CoV-2 transmission observed at large indoor convention in highly vaccinated population
Can COVID still spread at crowded events, even among vaccinated people?
An observational study in a highly vaccinated population attending a large indoor convention found that SARS-CoV-2 transmission occurred. No…
Even in rooms full of vaccinated people, COVID-19 can still spread from person to person at large indoor events like conventions.
CDC
Apr 6, 2026
Infectious Disease
Case report describes high SARS-CoV-2 attack rate following choir practice exposure
How did one choir practice lead to a high rate of COVID-19 spread?
A case report of 61 persons attending a choir practice in Washington state observed a high SARS-CoV-2 attack rate. This is an observational …
A single choir practice in Washington sickened many attendees, showing how quickly the virus spreads indoors when people gather to sing.
CDC
Apr 6, 2026
Infectious Disease
COVID-19 Management Assessment Tool Used in Louisiana Correctional Facilities
How well are prisons and jails in Louisiana tracking COVID-19?
A report described the use of the COVID-19 Management Assessment and Response tool in correctional and detention facilities in Louisiana. Th…
A new report checks how Louisiana prisons and jails are tracking COVID-19 cases and understanding public health guidance, though specific re…
CDC
Apr 6, 2026
Infectious Disease
COVID-19 Cases Described in U.S. Correctional Facilities and Detention Centers
What happened when COVID-19 hit hundreds of US prisons and detention centers?
An observational report described confirmed COVID-19 cases among incarcerated or detained persons and staff across 420 U.S. correctional and…
A new report confirms COVID-19 spread across 420 US prisons and detention centers, affecting both incarcerated people and staff in a widespr…
CDC
Apr 6, 2026
Infectious Disease
Surveillance report describes underlying health conditions in US COVID-19 cases
What health conditions are most common among people with COVID-19?
A US surveillance report provides observational data on underlying health conditions among COVID-19 cases. The report does not provide speci…
A new U.S. report describes the most common underlying health conditions found among people with COVID-19 as of May 30, 2020.
CDC
Apr 6, 2026