Even if that protection lasts far longer than six months, experts have said that rapidly spreading variants of the coronavirus and others that may emerge could lead to the need for regular booster shots similar to annual flu shots.
Le fa e le gore tshireletsego eo e nna go feta dikgwedi tse thataro, baitseanape ka kaile gore megare e mengwe ya khorona e e phasalatsegang ka bonako, le e mengwe e e ka tlhagogang, e ka dira gore batho ba tlhoke go entiwa nako le nako go tshwana le fa ba tsaya moento wa sefuba ngwaga le ngwaga.