U.S. Senate Narrowly Confirms Califf to Head FDA
Califf briefly served as FDA commissioner toward the end of President Barack Obama's administration
Amazon, Walmart Lift Mask Mandates for Vaccinated Employees
Mask policy changes come as a number of states scrap mask mandates as omicron cases and hospitalizations decline
Odds of Severe, Critical COVID-19 Up With Vitamin D Deficiency
Patients with severe or critical disease more often had preinfection vitamin D deficiency than those with mild-to-moderate disease
Vaccine Effectiveness Up After Three COVID-19 Vaccine Doses
VE lower during omicron- versus delta-predominant period at all time points; waned with increasing time since vaccination
Survival High With Lung Transplant for COVID-19-Associated ARDS
No patients demonstrated antibody-mediated rejection; all recipients alive at follow-up
Many COVID-19 Home Test Users May Act on Quarantine Inappropriately
Users may fail to quarantine or quarantine unnecessarily because of misinterpretation of pretest probability
Extensive Placental Damage ID’d in COVID-19-Linked Stillbirths
Mechanism of stillbirth, neonatal death is hypoxic-ischemic injury resulting from placental destruction and insufficiency caused by SARS-CoV-2
11.5 Percent of Under 65-Year-Olds Uninsured in 2020
Adults aged 18 to 64 years living in non-Medicaid expansion states twice as likely to be uninsured as those living in expansion states
New Symptoms, Conditions May Develop After Positive Test for SARS-CoV-2
Among hospitalized patients aged 20 years or older, prevalence of new fatigue, T2DM up for those with positive versus negative SARS-CoV-2 result
Prior SARS-CoV-2 Infection Less Protective Against Omicron Variant
Effectiveness of previous infection in prevention of reinfection about 90 percent for alpha, beta, delta variants; 56 percent for omicron variant

















