The Health Ministry said it detected the new strain in a traveler who had returned from Malawi and was investigating two other suspected cases. “We are currently at the threshold of an emergency situation,” he said. Israel recently expanded the campaign to include children as young as 5. But the country only recently managed to contain a wave of infections driven by the highly contagious delta variant. Israel, with a population of more than 9 million, has reported at least 8,182 deaths since the start of the pandemic.