They aren't admitting anything. Read the site; "Over 285 million doses of COVID-19 vaccines were administered in the United States. During this time, VAERS received 4,863 reports of death (0.0017%) A review of available clinical information, has not established a causal link to COVID-19 vaccines. However, recent reports indicate a plausible causal relationship between the J&J/Janssen COVID-19 Vaccine and a rare and serious adverse event blood clots which has caused deaths."

Over 285 million doses of COVID-19 vaccines were administered in the United States. During this time, VAERS received 4,863 reports of death (0.0017%) A review of available clinical information, has not established a causal link to COVID-19 vaccines. However, recent reports indicate a plausible causal relationship between the J&J/Janssen COVID-19 Vaccine and a rare and serious adverse event blood clots which has caused deaths.