Holiday travel headaches and safety worries swelled Monday with thousands of flights cancelled and Omicron cases soaring, as people wrap up Christmas celebrations bruised...
Costa Rica is keeping eye on the development of COVID-19 and, in particular, of the Omicron variant of SARS-CoV-2 during the end-of-year and beginning-of-year...
The World Health Organization Tuesday warned Omicron was spreading at an unprecedented rate and urged countries to act as drug maker Pfizer said its...
