Is There a Five O One in the Ancestor?

Three to four days post infection, mice infected with ancestral oarth one had high levels of virus. At three days, amicron infection in nasal turbin s and lung ten to ane hundredfold lower than in mice infected with beta. Four days, in contrast to the ancestral vars, they could not detect omicron vararna in the nasal wash. And then down in the lungs, they saw to a hundred fold lower levels of viral arna in lung homogenes of omicron infected mice compared to w a one infected mice.