CNN: Andrew Pollard, one of the creators of the Oxford AstraZeneca Covid-19 vaccine, has said that giving people booster shots twice a year is "not sustainable." Pollard, who also heads up the UK''s Joint Committee on Vaccination and Immunization (JCVI), stressed the "need to target the vulnerable" going forward, rather than administering doses to all those over 12 years old. More data is needed to ascertain "whether, when and how often those who are vulnerable will need additional doses,” said Pollard. The scientist cast doubts on the necessity of a fourth Covid-19 vaccine dose, saying further evidence is also needed here before campaigns can begin. 这个链接是很多新闻集锦，往下scroll到1/4就能看到我说的这个报道 http://www.cnn.com/webview/world/live-news/omicron-variant-coronavirus-news-01-04-22/h_b563a607338c0ca3ff13520fa4d5f96e
Pollard, who also heads up the UK''s Joint Committee on Vaccination and Immunization (JCVI), stressed the "need to target the vulnerable" going forward, rather than administering doses to all those over 12 years old. More data is needed to ascertain "whether, when and how often those who are vulnerable will need additional doses,” said Pollard.
The scientist cast doubts on the necessity of a fourth Covid-19 vaccine dose, saying further evidence is also needed here before campaigns can begin.
这个链接是很多新闻集锦，往下scroll到1/4就能看到我说的这个报道 http://www.cnn.com/webview/world/live-news/omicron-variant-coronavirus-news-01-04-22/h_b563a607338c0ca3ff13520fa4d5f96e