In many countries, public immunization programs have only recently started. Currently (February 2021), the 2nd wave of the pandemic is developing in some countries, generated by a new, mutant, more infectious variant of Coronavirus. However, there is still too little data to be able to objectively answer the above question. There are many different opinions. The prevailing opinion is that it may be necessary to create new types of vaccines every few months or every year. However, we do not know if it will be necessary, because we do not know if mankind will be able to solve the problem of the SARS-CoV-2 (Covid-19) coronavirus pandemic in the current 2021. Therefore, we will know the answer to the above question fully confirmed by research, but in a few months at the earliest.