Pa. Dept. of Health releases data on ‘breakthrough’ COVID-19 cases

National News

(AP Photo/Jae C. Hong, File)

HARRISBURG (WJET/WFXP/YourErie.com) — On Friday, the Pennsylvania Department of Health released a report on COVID-19 post-vaccination events, commonly known as “breakthrough” cases.

The report shows the vaccines appear to keep people out of the hospital more than those who aren’t vaccinated.

“What we continue to see is that the vaccines that are widely available to everyone 12 and older are highly effective for preventing hospitalizations and deaths, even as more post-vaccination cases occur in the context of more transmissible variants,” said Acting Secretary of Health Alison Beam.

This month’s data shows that Pennsylvanians who are fully vaccinated fared much better after contracting the virus than the unvaccinated, even as the number of cases from COVID-19 variants continues to increase across the country.

Acting Physician General Dr. Denise Johnson explained, “From a clinical perspective, we expect to see the number of breakthrough cases go up as more people get vaccinated. It is like what we saw with seat belt use years ago. As the number of people wearing seatbelts increased, the number of car accidents involving people wearing seatbelts went up. However, the overall fatality rate from car accidents dropped. Your chances of dying in a car accident drop dramatically if you wear a seatbelt. So too, your chances of dying from COVID-19 drop substantially if you are fully vaccinated.”

In the past month, 74 percent of the 4,989 hospitalizations due to COVID-19 were among unvaccinated Pennsylvanians.

“That means that fully vaccinated people have a greater than three times better chance of staying out of the hospital due to COVID-19,” Dr. Johnson said. “Another way to look at it, if you are playing the lottery and there is something you could do to triple your odds of hitting the jackpot, would you do it?

“This is why doctors across the state want all of their eligible patients to get vaccinated.”

The number of COVID-19 cases over the past 30 days shows that 74 percent of the 135,098 people who tested positive were unvaccinated. Data on the number of post-vaccination deaths in the past 30 days is not yet available due to a 60-day lag in the reporting and verification process.

When reviewing longer-term data, between Jan. 1, and Oct. 4, 2021:  

  • 91 percent of reported COVID-19 cases were in unvaccinated or not fully vaccinated people. Among a total of 771,734 cases, 69,822, or nine percent, have been identified as post-vaccination cases. Cumulative case incidence among the unvaccinated and not fully vaccinated was 5.6 times higher than the case incidence among the fully vaccinated.  
  • 93 percent of reported hospitalizations with COVID-19 as the primary diagnosis/cause of admission were in unvaccinated or not fully vaccinated people. Among a total of 44,095 hospitalizations with COVID-19 as the primary diagnosis/cause of admission reported in Pennsylvania, 3,247, or seven percent, of all hospitals and 78 percent of acute care hospitals in Pennsylvania, representing approximately 80 percent of acute care beds in the state.  
  • 93 percent of COVID-19-related deaths were in unvaccinated or not fully vaccinated people. Among a total of 7,625 COVID-19-related deaths occurring among 2021 COVID-19 cases, the latest data shows 518, or seven percent, were identified as deaths among post-vaccination cases. Cumulative death incidence among the unvaccinated and not fully vaccinated was 6.0 times higher than the death incidence among the fully vaccinated.  

“Reviewing this data over time helps inform our understanding of factors such as potential waning immunity,” Dr. Johnson said. “This data is consistent with national trends and similar to data reviewed by the FDA and CDC resulting in a recommendation for a booster dose for vulnerable populations several months following the completion of the primary vaccination series.

“What is completely clear to me is that vaccines are working as intended to help keep more people out of the hospital and alive after COVID-19,” Dr. Johnson said. “Because I know it can save their lives, I have encouraged all of my family, friends and others to get vaccinated and, when they are eligible, to get a booster dose.”

Post-vaccination data is now posted online HERE.

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