BIOLOGICAL CLASSIFICATION
VIRUSES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
FALSE
|
|
|
TRUE
|
|
|
Either A or B
|
|
|
None of the above
|
Detailed explanation-1: -Within the helically symmetrical nucleocapsid is the large positive sense, single stranded RNA. Of the four coronavirus genera (, , , ), human coronaviruses (HCoVs) are classified under -CoV (HCoV-229E and NL63) and -CoV (MERS-CoV, SARS-CoV, HCoVOC43 and HCoV-HKU1).
Detailed explanation-2: -The typical clinical characteristics of COVID-19 include a moderate degree of fever (37.3–38.0 °C), cough, fatigue, and gastrointestinal symptoms. Oxyhemoglobin saturation and oxygenation index changed significantly in severe cases.
Detailed explanation-3: -In humans, the viruses can cause mild respiratory infections, like the common cold, but can lead to serious illnesses, like pneumonia. Coronaviruses are named for the crown-like spikes on their surface. Human coronaviruses were first identified in the mid-1960s.