Mae disgwyl cyhoeddiad yn fuan gan y Cyd-bwyllgor ar Imiwneiddio a Brechu (JCVI)  ynglŷn â phwy fydd yn gymwys am bigiad atgyfnerthu’r hydref.
An announcement by the Joint Committee on Vaccination and Immunisation (JCVI) about which groups will be eligible for the autumn booster is due to be published shortly.