♪ Listen 0:00 Chinese researchers have studied the incubation period of SARS-CoV-2 variants, examining the time from infection to symptom onset. The study found that the incubation period has shortened during the virus’s evolution. The coronavirus spreads from person to person through respiratory droplets. Topics: #period #out #person Post navigation Since the Russian invasion of Ukraine, at least 383 children have been killed THIS IS THE TRAVEL GUIDE ⟩ A comfortable city break in Barcelona just 59 euros