The vaccination programme will see those aged 75 to 79 years and pregnant women (from 28 weeks gestation) offered vaccination against RSV for the first time, from September.
Bydd y rhaglen frechu yn cynnig brechiad rhag RSV i bobl 75 i 79 oed a merched beichiog (o 28 wythnos y beichiogrwydd) am y tro cyntaf o fis Medi ymlaen.