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Sex between a Neanderthal and a human left humans vulnerable to COVID-19 60,000 years ago

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globallookpress.com/King Abdullah University Of Science/Keystone Press Agency
globallookpress.com/King Abdullah University Of Science/Keystone Press Agency

Sex between a Neanderthal and a human, which occurred about 60 thousand years ago, could cause millions of deaths from a coronavirus infection.

A single sexual act may have led to the deaths of millions of people during the COVID-19 pandemic, according to genetic scientists. Due to a genetic failure in human DNA, a “broken letter” appeared – LZTFL1.

As a result, lung cells began to produce a little more protein, to which the coronavirus is attached. If not for LZTFL1, the person would most likely just “spit out” COVID-19 along with sputum. The results of a scientific study are published in the journalNature Genetics.

At the same time, a new wave of mutated coronavirus may cover a number of countries. For example, in Portugal, the subtype of COVID-19 BA.4 is actively spreading.

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