In the early days of the pandemic, one of the scariest and most surprising features of SARS-CoV-2 was its ________. Initially assumed to transmit only from people who were actively sick—as its predecessor SARS-CoV did—the new coronavirus turned out to be a silent spreader, also spewing from the airways of people who were feeling just fine.3Mark for ReviewMCQABCWhich choice completes the text with the most logical and precise word or phrase?AintensityBspeedCstealthDfatality

A SARS-CoV-2 variant that is more transmissible than others is one that can replicate Blank______ and has Blank______ attachment to epithelial cells in the upper respiratory tract of a new host.Multiple choice question.slowly; reducedquickly; reducedquickly; greaterslowly; greater

Methods to prevent the spread of SARS-CoV-2 are:Multiple select question.vaccination.covering the nose and mouth with a mask.wearing gloves when touching communal surfaces.social distancing.proper cooking of meats.filtering water before drinking.

What specific feature of COVID infections allows it to spread silently from person to person?1 pointAsymptomatic spreadersFailure to use the right kind of facemaskMore infectious than measlesWe know very little about the virus

The viral vector vaccine developed by Johnson and Johnson uses a modified Blank______ carrying the genetic code for the Blank______ protein of SARS-CoV-2.Multiple choice question.coronavirus; spikeadenovirus; nucleocapsidcoronavirus; nucleocapsidadenovirus; spike

Question 2What specific feature of COVID infections allows it to spread silently from person to person?1 point