Should we or shouldn't we? Science says, Cure may not be expected this year. There's no miracle drug for the disease, making the cure for it may take time to research and trials , Specially, Vaccines. Vaccines may took time to develop and safely produced, some examples is DengVaxia, It took 2 decades to develop and another is Polio Vaccine 3 or more decades to develop. Vaccines needed research and trials, spending funds and time to fully develop and safely reproduced in market. Sputnik V was russia's anti covid vaccine according to their president but scientists was affraid for launching it soon because premature results of phase clinical trials. Hopes of many people to end pandemic and live the way we expected, it may took time for us to have the miracle cure.
Vaccine for different diseases take different development time.