The vaccine is given in two doses and will help people develop immunity to the virus for at least two years.
COVID-19 research roundup: Multiple potential vaccines show promise; doctors say hands-only CPR safe during pandemic
Hands-only CPR carries low risk of transmitting COVID-19, and bystanders witnessing a cardiac arrest shouldn't be afraid to perform it, doctors say.
Scientists said the results provide data from a wider group of participants than the earlier trial, including a sub-group aged over 55 years.
Six children dead, 12 sick in adenovirus outbreak at New Jersey rehab center in US; no patients to be admitted till outbreak ends
The Centers for Disease Control and Prevention said in an email that it is providing technical assistance to the state. In the past 10 years, cases of severe illness and death from the type of infection found at the facility have been reported in the United States, said CDC spokeswoman Kate Fowlie in an email, though it's unclear how many deaths there have been.