While Delta wiped out the variants that preceded it, Omicron has not eliminated the deadly variant which could re-emerge.
According to the scientists, sewage leaking into natural watercourses might lead to infection with the novel coronavirus SARS-CoV-2 via airborne spray.
People who win a competition are more likely to cheat or act dishonestly in the future, say researchers.
A cricket club in the southern Israeli city of Beersheba has come to the rescue of several Indian researchers at the Ben-Gurion University in the Negev southern region, who had been struggling for a proper shelter while being under a complete siege with rockets raining over the country's south during the past one week.
India has launched Operation Ajay to facilitate the return of those who wish to come back home as a series of brazen attacks on Israeli towns by Hamas militants over the weekend triggered fresh tension in the region.
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