12K views · 91 reactions | British scientists have reached a major milestone in the race to find a COVID-19 vaccine. Their trials have found a way to provide some level of immunity, but they still don't know if the jab will stop people catching or spreading the virus. Read more: https://7news.link/3hlRzLv #7NEWS | 7NEWS Melbourne | Facebook

Last week, Maine’s largest health system reported that absences of vaccinated staff due to COVID-19 were the highest since vaccines became available. Although the vaccine remains critical in preventing hospitalizations and death, there has been a rise in breakthrough infections. I asked Dr. Anthony Fauci, Director of the National Institute of Allergy and Infectious Diseases (NIAID), to comment on the impact the Omicron variant has had on the vaccine’s effectiveness. | U.S. Senator Susan Collins