you asked why people keep getting Covid ...
Generally speaking when reinfected a person does NOT suffer as much the 2nd or third or 4th times ...
I've had Covid twice and yeah I was not as sick the 2nd time
1st time initial variant
2nd 2 yrs later
When mutating Covid is LESS lethal and more infectious ...
- A new study set out to discover the strength and duration of natural immunity a person can acquire if they are infected by COVID-19 variants.
- Researchers found that previous infection was highly protective against reinfection with alpha, beta and delta variants, but less so against omicron BA.1.
- The results also revealed that protection against severe disease after natural infection was comparable to that received from two vaccine doses.
- But this doesn't mean you should seek to become infected, the researchers warned.
- SARS-CoV-2 remains a dangerous and unpredictable virus which can cause a host of damaging effects long after recovery.
Protection from reinfection
The authors evaluated protection against reinfection, symptomatic disease, and severe disease (defined as hospitalisation or death) separately.
They found previous infection was highly protective against reinfection with alpha, beta and delta variants, but less so against omicron BA.1. A previous infection provided moderate protection from reinfection with omicron BA.1 (45%), compared with stronger protection against pre-omicron variants (82%). This was also the case for symptomatic infection.
Data from long-term studies showed that protection against reinfection for pre-omicron variants dropped to 78.6% over 40 weeks, whereas for omicron BA.1 it dropped more rapidly to 36.1%.
When assessing severe disease, however, all variants showed sustained protection above 88% for 40 weeks. This isn’t to say that protection drops substantially after 40 weeks. Rather, it seems there was limited data available that followed people for long enough for the authors to be able to draw strong conclusions beyond this time frame.
The results also revealed that protection against severe disease after natural infection was comparable to that received from two vaccine doses, for both pre-omicron and omicron BA.1 variants.