Making it to the next host goes to the heart of virus fitness. There are in this regard two broadly opposing virus life history strategies. Acute viruses tend to be replicative and swiftly transmit to the next host. Instead, a persistent virus may be shed in minor quantities, if at all, keeping virus replication costs and host damage to a minimum.
Published Date: 2021-03-04; Received Date: 2021-02-11