The creator of one of the most used COVID-19 vaccines in the world acknowledged Tuesday that it is “not sustainable” to continuously provide booster doses to people twice per year. Speaking to The Telegraph in an interview on Tuesday, Andrew Pollard, one of the creators of the Oxford AstraZeneca COVID-19 shot, remarked, “We can’t vaccinate the planet every six months.” Policymakers should instead try to “target the vulnerable” moving forward rather than providing doses to anyone aged 12 and older, said Pollard, who is also in charge of the UK’s Joint Committee on Vaccination and Immunization. More data should be gathered on “whether, when, and how often those who are vulnerable will need additional doses,” he continued. It comes as some countries, including Israel, are starting or are considering the rollout of a fourth vaccine dose. On Monday, Israeli officials started offering the dose to all medical workers and individuals aged 60 …