Scientists have long said ‘herd immunity’ is needed to control the COVID-19 pandemic. But some experts now doubt it can be achieved because of the contagious Delta variant. Infections are rising in countries with high vaccination rates, such as Israel…
No more masks. No more social distancing. The UK declares ‘Freedom Day’ from the virus with adult vaccinations close to 70%. But as the contagious Delta variant rages, is the UK opening up the path to normal life or a…
How long can a virus keep attacking me – especially when I’ve been previously infected? How long do my antibodies survive in my blood? How long does a vaccine defend my immune system against an intruder? Scientists are grappling with…
A CDC expert panel met Thursday to discuss the small risk of rare side effects linked to some COVID-19 vaccines. The Advisory Committee on Immunization Practices reviewed cases of Guillain-Barre Syndrome, a rare neurological disorder associated with the single-dose Johnson…
The expert advisory group on immunisation is now urging younger people to talk to their doctor about getting the AstraZeneca vaccine if they live in an outbreak zone. It’s also updated its advice on early second doses of the vaccine.…
CBS News medical contributor Dr. David Agus joins “CBS This Morning” to break down a new study that found mRNA COVID-19 vaccines likely produce long-term immunity against the coronavirus and discusses what is known about vaccine effectiveness as the more…
