Which of the following is NOT true about the current coronavirus global pandemic (COVID-19)? Laboratory diagnosis of infection is based on polymerase chain reaction (PCR) testing of patient samples for RNA from the causative virus Nucleic acid vaccines to prevent COVID-19 (and/or its most severe forms) are authorized for use in the US Caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Person-to-person transmission can occur through respiratory secretions (droplets and/or aerosols) None of the other four answers (All are true about COVID-19 ООООС

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Viral Infections

Viruses are abundantly found, minute entities that have genetic material enclosed within a protein coat. The proteinaceous material enclosing the genetic material of the virus is called a capsid. The genetic material could be either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). A virus is too minute to be looked at with naked eyes and therefore visualized with the help of a microscope. They are acellular entities that require a host for processes, such as replication, transcription, translation and multiplication. Plants, animals, and bacteria act as host wherein the virus reproduce. Viruses cannot multiply outside the host's body and thus are considered nonliving outside the host body.