It is convergent evolution towards the common cold.
The cold is also a corona virus, and it has a strategy of being highly transmissible and mutating quickly, so as to be able to dodge the immune response and re-infect individuals.
The common cold also stimulates mucus production and sneezing, so as to further spread itself. The patients sneeze infected mucus everywhere for a day or a week, then they are fine.
It is convergent evolution towards the common cold.
The cold is also a corona virus, and it has a strategy of being highly transmissible and mutating quickly, so as to be able to dodge the immune response and re-infect individuals.
The common cold also stimulates mucus production and sneezing, so as to further spread itself. The patients sneeze infected mucus everywhere for a day or a week, then they are fine.
It is a highly successful strategy.