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Infectious Disease
Surveillance report describes COVID-19 hospitalizations in adults during Omicron BA.2 predominance
Surveillance report describes COVID-19 hospitalizations during Omicron BA.2 wave
An observational surveillance report from 14 states described COVID-19-associated hospitalizations among adults during a period of Omicron B…
A recent report tracks COVID-19 hospitalizations among adults during the Omicron BA.2 wave across 14 states, offering a snapshot of public h…
CDC
Apr 5, 2026
Infectious Disease
CDC review examines SARS-CoV-2 rebound in COVID-19 patients with and without antiviral treatment
CDC reviews studies on COVID-19 rebound after antiviral treatment
A CDC review examined studies of SARS-CoV-2 rebound in COVID-19 patients who did and did not receive antiviral treatment.
The CDC reviewed studies on COVID-19 rebound after antiviral treatment, finding no new safety concerns but noting scientists are still learn…
CDC
Apr 5, 2026
Infectious Disease
In-hospital mortality risk assessed for US patients hospitalized primarily for COVID-19
What happens to people hospitalized for COVID-19 in the US?
An observational report examined in-hospital mortality risk among patients hospitalized primarily for COVID-19 in the United States.
A new report examines the risk of dying in the hospital for patients whose main reason for admission was COVID-19, but it has not yet shared…
CDC
Apr 5, 2026
Infectious Disease
Reported Racial Discrimination in Healthcare Linked to Higher COVID-19 Unvaccinated Prevalence
Adults reporting health care discrimination more likely to be unvaccinated against COVID-19
An observational study of U.S. adults found that reported experiences of racial and ethnic discrimination in healthcare were associated with…
Adults who reported facing racial or ethnic discrimination in health care were more likely to be unvaccinated against COVID-19.
CDC
Apr 5, 2026
Infectious Disease
Observational report examines COVID-19 antiviral treatment patterns in US older adults
Study examines COVID-19 antiviral treatment rates in older adults across age groups
An observational report from a US national research network examined COVID-19 antiviral treatment patterns among adults aged 65 years and ol…
A new report tracks how often older adults with COVID-19 receive recommended antiviral treatments, but full results are not yet shared.
CDC
Apr 5, 2026
Infectious Disease
RCT
Favipiravir PEP shows non-significant reduction in SARS-CoV-2 infection among household contacts in Thailand trial
Can a pill protect you after a family member gets COVID?
A phase 2/3 cluster-randomized trial in 168 Thai household contacts of COVID-19 cases compared favipiravir PEP (1600-2000 mg/day for 7 days)…
Taking an antiviral pill after a family member gets COVID might lower infection rates and delay symptoms, though the study's main findings w…
Apr 4, 2026
Infectious Disease
Cohort
Retrospective study finds 61% of vaccinated, boostered individuals neutralize Wuhan-Hu-1 SARS-CoV-2 variant
How well do vaccine antibodies fight different COVID variants?
A retrospective cohort study of 100 vaccinated and boostered individuals found 61% effectively neutralized the Wuhan-Hu-1 SARS-CoV-2 variant…
Most vaccinated people's antibodies stopped the original virus, but only a few could also block newer variants like Beta, Delta, and Omicron…
Frontiers
Apr 4, 2026
Infectious Disease
Phase I
Phase 1 study finds molnupiravir 800 mg well-tolerated with no NHC accumulation in healthy Chinese adults
How does a COVID-19 pill behave in the body? A small study in healthy men offers clues
An open-label, fixed-sequence Phase 1 study in 16 healthy male Chinese adults evaluated the pharmacokinetics and safety of oral molnupiravir…
Understanding how a drug moves through the body is a crucial first step.
Apr 4, 2026
Pediatrics
Bivalent COVID-19 mRNA booster shows similar early safety to monovalent in children aged 5-11
Is the updated COVID-19 booster safe for young kids? Early monitoring suggests yes
A US safety monitoring report in children aged 5-11 found similar early safety findings for bivalent COVID-19 mRNA vaccine booster doses com…
Early safety monitoring shows the updated COVID-19 booster for kids aged 5 to 11 has a safety profile similar to the original vaccine.
CDC
Apr 4, 2026
Allergy & Immunology
Bivalent COVID-19 vaccine effectiveness assessed in immunocompetent adults across nine states
Do the updated COVID-19 vaccines keep people out of the emergency room?
An observational study of immunocompetent adults in the VISION Network assessed the effectiveness of updated bivalent COVID-19 vaccines in p…
Updated COVID-19 vaccines aim to keep healthy adults out of the emergency room and hospital, but real-world results are still waiting to be …
CDC
Apr 4, 2026
Infectious Disease
WHO African Region COVID-19 vaccination coverage assessed from 2021 to 2023
How many people in Africa got COVID-19 vaccines? A new report looks at coverage
An observational report assessed COVID-19 vaccination coverage in the WHO African Region from 2021 to 2023.
A new WHO report tracks how many people across Africa received COVID-19 vaccines between 2021 and 2023 to guide future health planning.
CDC
Apr 4, 2026
Pediatrics
COVID-19 hospitalization rates increased among children and adolescents during Omicron
COVID-19 hospitalizations increased among children and adolescents during Omicron
An observational report from 14 states found increases in COVID-19 hospitalization rates among children and adolescents during the Omicron p…
COVID-19 hospitalizations rose among children and adolescents during the Omicron variant, with the highest increase seen in unvaccinated you…
CDC
Apr 4, 2026