Sars-CoV-2 spreads gradually, more dangerous than Sars virus
Image Credit: shortpedia
According to a recent study, which explains why Covid-19 is spreading faster than other coronavirus diseases, people with the disease are the most infectious during the first week of symptoms. Sars-CoV-2, the virus that causes Covid-19, replicates in the upper respiratory tract before moving down to infect the lungs, which leads to people shedding huge amounts of the virus through coughing in the first week of symptoms.