00:01
Hello students.
00:01
So the question here is what requirements must be met for a new virus to emerge and spread? and we have been given four options and we have to find out the correct option from a, b, c and d.
00:15
So according to me, two options that is b and d.
00:21
The two options b and d, they seem possible.
00:26
But the question is when mutation takes place in virus before coming in.
00:30
Contact with a new host, that is option d, or after coming in contact with a new host, that is option b.
00:38
So option d is the correct answer.
00:41
I will explain to you guys also why.
00:45
Viral replication is relatively error prone because of two reasons.
00:52
Viral replication, viral replication is relatively error prone.
01:05
It's relatively error prone.
01:05
It's relatively error prone because of two reasons.
01:18
The first reason is retroviruses.
01:24
Do you guys know an example of retroviruses? no worries.
01:28
I will tell you one such example of retrovirus, which is sars -covid -2, s -a -r -s -a -r -s, that is sars, s -a -r -s -a -r -s, cov 2...