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dbx999 t1_j78v8xe wrote

Reply to comment by youshouldbethelawyer in New evidence suggests that ‘hybrid’ immunity, the result of both vaccination and a bout of COVID-19, can provide partial protection against reinfection for at least eight months. Immunity acquired by booster vaccination alone seems to fade somewhat faster. by MistWeaver80

Covid is a type of corona virus and there are something like 4 or 5 different diseases that come from a corona virus. Sars and Mers are two which preceded covid19. They are typically difficult to develop vaccines for. There are coronaviruses that affect cattle and livestock commonly and those were not vaccinable and causing problems in the cattle industry. With RNA vaccines though, they should be able to develop vax for those too now.

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