MARIN COUNTY, Calif. -- As the Delta variant spreads, we are learning more about breakthrough COVID-19 cases. Numbers from California's state health department help put into perspective what the ...

With the more contagious delta variant strain of COVID-19 spreading throughout the country, hospitalizations and deaths from the virus are on the rise. According to the Centers for Disease Control and ...

LAS VEGAS, NEVADA -- A California couple says they were fully vaccinated, but still contracted COVID-19 while on vacation as experts say breakthrough cases are possible, especially with the delta ...

More than 99.99% of people fully vaccinated against Covid-19 have not had a breakthrough case resulting in hospitalization or death, according to the latest data from the US Centers for Disease ...

TAMPA, Fla. (WFLA) – COVID-19 breakthrough cases are rising, and now people want to know which vaccine offers the best protection from the coronavirus. A breakthrough case is when a fully vaccinated ...

ST. LOUIS — If you are infected with COVID-19 after being vaccinated, it is called a breakthrough case. The 5 On Your Side Verify team consulted the following experts: Dr. Anna Durbin, Department of ...

A new study out of Israel offers more insight into COVID-19 breakthrough cases, showing that many cases occur in people with lower levels of antibodies. A breakthrough case is defined as someone who ...