I'm definitely with you on the venting. It sucks SO MUCH - especially for those living far apart who don't have many opportunities in the first place to see each other, so in-person time together becomes precious and treasured. But as much as I am frustrated, the travel restrictions are understandable and unfortunately still necessary. I don't mean to diminish your frustration (apologies if that's how it came across; trust me - I'm frustrated too!), but to offer some explanation as to why we're still being "held hostage" as my uncle likes to say.
My mom was able to get through alright (thanks for asking
), but I still feel terribly guilty I couldn't be there for even one day of her treatment and recovery. It was definitely hard for her, and she phoned or Skyped me multiple times in tears, not wanting to go on. She's separated from my dad, her brother lives in another country as well, and I'm an only-child - so she was truly alone throughout the process. She doesn't blame anyone because it was what it was, but I still feel like sh*t that I wasn't there. I promised her that when the world opens again and everyone's doing better, I'm taking her to DisneyWorld since I know she secretly wants to go.
And for a little bit of science...
One of the problems comparing influenza and COVID-19 is that influenza has been circulating in humans for a long time and COVID-19 is completely new. With influenza, even with new strains, many people will still have a degree of partial protection with their "old" antibodies from previous annual vaccinations and/or repeated exposures/infections. This is especially true for the CA09 strain, which appears to be especially likely to induce an immune response and antibodies that will cross-react with variants. (Wrammert et. al. 2011 and Nachbagaur et. al. 2017) In contrast, COVID-19 is totally new, and no one has any level of protection from previous infection/exposure/vaccination.
A similar phenomenon may be observed with COVID-19 in the future, but it's too early to tell. In Denmark, a study was performed that has actually suggested that after natural infection, chances of reinfection is still relatively high for older people (though not for younger people). The scientists found that after 6 months of initial infection, young people appeared to have ~80% protection against a repeat infection. However, for those >65 years, this protection was only ~47%. (Hansen et. al. 2021) So, good news for younger people, but less good for elderly.
I suspect the hope/expectation is that vaccination (as opposed to natural infection) will produce more robust and longstanding protection across all age groups.
And as KFdancer has mentioned, one of the reasons for trying to lessen movement of people is to try and prevent the virus from having ample opportunities to further mutate and potentially acquire a mutation that is particularly nasty for us (be that evasion of our immune response, significant increases in transmissibility and/or disease severity, and so on).
Wrammert et. al. 2011
https://pubmed.ncbi.nlm.nih.gov/21220454/Nachbagauer et. al. 2017
https://pubmed.ncbi.nlm.nih.gov/28192418/ Hansen et. al. 2021
https://pubmed.ncbi.nlm.nih.gov/33743221/