ICYMI on KPBS Midday Edition: A new study published in the New England Journal of Medicine Wednesday evaluated the early effectiveness of a second COVID-19 vaccine booster for people over the age of 60.
, joined KPBS Midday Edition to talk about the results of the study, and the effectiveness of a second COVID-19 vaccine booster for eligible people.
Ramers said people who received one or two of the initial vaccine doses but no booster could have waning immunity against the virus. He said the frequency of COVID-19 vaccines and boosters needed in the future to maintain immunity to COVID-19 variants remains unclear.
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