MOSCOW (Sputnik) – A new model of COVID-19 spread developed by specialists at the Joint Institute for High Temperatures of the Russian Academy of Sciences shows that herd immunity to the coronavirus could be obtained within a given population after only 3-10 percent of the people get sick.
According to the institute’s lead scientist Sergey Trigger, the new model of the spread of COVID-19 takes four parameters into account: the number of people within a given population, the number of potentially dangerous contacts an infected individual has per day, the probability of getting infected and the span of the illness.
The SIS and SIR models currently used to describe the spread of the coronavirus are not as accurate as the one developed by the Joint Institute for High Temperatures of the Russian Academy of Sciences. The new model takes into account various quarantine measures and restrictions, by using official statistics.
Blood samples donated by recovered novel coronavirus patients for plasma extraction, contributing to Israel’s new experimental antibodies treatment, are collected by Magen David Adom’s Blood Services in Sheba Medical Center Hospital near Tel Aviv, on June 1, 2020.
Earlier estimates suggested that up to 60-70 percent of the population need to get infected with COVID-19 in order for herd immunity to be achieved.
According to Russian scientists, the right selection of quarantine measures for a given population, considering local cultural and other specifics, is crucial to achieving a lower threshold of infections required for herd immunity.
Sourse: sputniknews.com
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