SAN FRANCISCO -- Moderna announced people may need a second booster to increase protection. But is a fourth shot the right approach? ABC7 News reporter Luz Pena from San Francisco spoke to multiple ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of the measles virus. In Texas, at least 90 cases of measles have been reported in recent weeks across the ...

The return of measles to the U.S. may have many people wondering whether they should get a measles vaccine booster. Pictured here is an information booth for measles vaccinations offered by Harris ...

Throughout February, a measles outbreak has been growing in West Texas. The potentially deadly disease, once eliminated from the United States in terms of its continuous transmission, has been making ...

A measles outbreak in West Texas is continuing to spread. And with kindergarten vaccination rates dipping across the country, more communities may be at risk of outbreaks. But it’s not just kids who ...

The aim of booster shots is to top up immunity if it wanes. On Wednesday, Australia’s Therapeutic Goods Administration ...