Scientists say BA.2.75 variant may be able to get around immunity from vaccines and previous infection, but unclear if it causes more serious disease than other Omicron strains

Israel raced to give extra boosters before most countries in December; research also shows shots cut hospitalization by over 60%; author: ‘They’re lifesavers'

Salman Zarka says highly infectious variant driving 6th wave is a danger to the elderly, steps must be taken to protect at-risk groups; calls for returning travelers to get a PCR

Attendance still far lower than the 2.5 million Muslims who made the pilgrimage in 2019; this year, participants must be under 65, vaccinated and with negative test

Human tests expected within a year; inventor says approach has potential for many viruses, including influenza, Zika, West Nile, and hepatitis B

Prof. Nadav Katz says the sixth wave is almost at peak and will soon be in retreat, without anything close to damage inflicted by winter wave

But despite return of travelers, full recoveries not expected until at least 2024 due to rising inflation, supply chain problems, continued case spikes and labor shortages

Contradicting conventional understanding of how the coronavirus spreads, Pyongyang says early patients contracted it after coming across 'alien things' in southern town

Biggest study of its kind checked medical records of almost 100k children at height of winter wave; found 51% effectiveness against infection and 48% against symptomatic infection

Prof. Ran Balicer says current spike reflects waning immunity, a new variant and summer AC use — but widespread unreported home testing means we don't know yet how severe it'll be