What is a virus?
(a) A microscopic, single-celled organism
(b) A sub-microscopic infectious agent that replicates only inside the living cells of an organism
(c) A multicellular organism with chlorophyll as its primary photosynthetic pigment
What is the official name of the virus as designated by the World Health Organization (WHO)?
(c) Wuhan flu
What does the 19 in Covid-19 stand for?
(a) It refers to the 19 molecules that make up the virus
(b) It is the 19th coronavirus identified since the WHO began naming them
(c) It is the year the virus was first encountered: 2019
About what percentage of infected people recover without needing hospital treatment according to the World Health Organisation website?
Which organ in the body does this coronavirus primarily attack?
How long can the virus survive on plastic and stainless steel surfaces, according to studies?
(a) 72 hours or more
(b) 24 to 60 hours
(c) 4 to 12 hours
This is not the first widespread coronavirus encountered by humans. But which of these is NOT a type of coronavirus?
(a) Severe acute respiratory syndrome (Sars)
(b) Middle East respiratory syndrome (Mers)
Governments around the world have been monitoring the 'R number' to determine when to ease lockdown restrictions. What is the R number?
(a) The percentage of confirmed coronavirus cases that lead to death
(b) The percentage of the population that has been tested for the coronavirus
(c) The average number of people to whom one infected person will pass on the virus
The virus replicates by inserting its RNA into a human cell’s own replication machinery. It makes multiple copies of itself, and these burst out of the cell, causing the infection to spread. What does RNA stand for?
(a) Ribonucleic acid
(b) Reductone nano articulate
(c) Reproducing nucleic agent
How big is the coronavirus?
(a) 8 billionths of a metre in diameter
(b) 80 billionths of a metre in diameter
(c) 800 billionths of a metre in diameter
What does the virus attach itself to when it enters the human body?
(b) Red blood cells
(c) Ace-2 receptors in the lining of the airways