This is false, immunity is strong and long-lasting. The news is trying to sell papers. A vaccine is also an attenuated version of the virus so if becoming immune from the virus doesn't last long it won't last long from a vaccine.
> A vaccine is also an attenuated version of the virus so if becoming immune from the virus doesn't last long it won't last long from a vaccine.
A vaccine can be an attenuated virus, or a piece of mRNA or DNA, or a distinctive viral protein. Which type of vaccine you use+the adjuvants that go with it can result in very different immune responses and efficacy over time.
> This is false, immunity is strong and long-lasting.
Immunity to COVID-19 varies a lot person to person and is poorly understood. It does however appear that many people can be reinfected (especially people who had mild symptoms the first time.)
>mRNA is part of a pathway that creates a protein that is on the virus which the immune system reacts to.
>Please post your source saying that people can be re-infected.
A well documented one: https://www.news-medical.net/news/20200720/Doctor-in-Israel-...
I looked at the sources for that article you posted and not one of them supported your claim. Not one. I even went several articles in because news medical dot net was using itself as a source.
There's no consensus at all, even remotely. I have no idea where you got that other than fear based news reporting.
I'm not going explain immunology to you but 99.9999% of viruses on the planet build long-term immunity if you survive. Coronavirus is the same way.
To put it another way..vaccine immunity operates the same way as infectious immunity.... do you think they are going to invest billions of dollars into a vaccine if immunity only lasts for a few months?