Rates of confirmed Omicron-related COVID infection and severe disease were lower after a fourth dose of the Pfizer-BioNTech vaccine, according to real-world data from Israel, although protection against confirmed infection seemed short-lived.
At this point, one thing about the pandemic is clear: The COVID-19 vaccines, even when followed by a booster, aren't going to stop the coronavirus — or provide long-term protection from infections.
Recent Comments