No, long term means 5,10 years and it cannot become short term because it takes 5 years (from the start of vaccination) to observe effects in people vaccinated

No, long term means 5,10 years and it cannot become short term because it takes 5 years (from the start of vaccination) to observe effects in people vaccinated for 5 years and it takes 10 years to observe effects in people vaccinated for 10 years.