For the CNN's article, note the section on immune compromised. I think the difference between the two data(Israel vs Kaiser) is Omicron.
Nguyen
Long-term Immunogenicity of BNT162b2 (Pfizer) Vaccine in Patients With Solid Tumors
https://jamanetwork.com/journals/jam...rticle/2791657
How well is our immunity holding up against Covid-19?
https://www.cnn.com/2022/04/22/healt...-19/index.html