Nearly four months have passed since the emergence of the severe acute respiratory
syndrome-coronavirus-2 (SARS-CoV-2), which caused the rapidly spreading Coronavirus Disease …

The COVID-19 pandemic has disproportionately impacted immunocompromised patients.
This diverse group is at increased risk for impaired vaccine responses, progression to severe …

Several global efforts are underway to develop COVID-19 vaccines, and interim analyses
from phase 3 clinical testing have been announced by nine organisations: Pfizer, the …

Comment www. thelancet. com Vol 397 February 13, 2021 563 20% of the vaccine needs of
participating countries. 4 Most low-income and middle-income countries (LMICs) face …

A Lancet Commission for COVID-19 task force is shaping recommendations to achieve
vaccine and therapeutics access, justice, and equity. This includes ensuring safety and …

Background Clostridium difficile-associated diarrhea (CDAD) is an increasingly important
diagnosis in solid organ transplant recipients, with rising incidence and mortality. We describe …

To date, just over 100 million COVID-19 immunizations have been administered, led by the
United States accounting for more than onethird (35 million), followed by China (24 million) …

The COVID-19 pandemic is a public health crisis of unprecedented proportions. Despite
unparalleled rates of vaccination and mass testing in certain parts of the world, the virus rages …

Purpose: Tumors continuously evolve to maintain growth; secondary mutations facilitate this
process, resulting in high tumor heterogeneity. In this study, we compared mutations in …

Objectives Portal vein embolization (PVE) can facilitate the resection of previously unresectable
colorectal cancer (CRC) liver metastases. Bevacizumab is being used increasingly in …