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Vaccines have worked in the same way since they were invented more than 200 years ago. Since COVID-19 appeared, a new kind of vaccine has emerged -- the mRNA vaccine.
The travel landscape is fast changing, as a number of countries have imposed restrictions in the face of soaring cases. The Delta variant spreads person-to-person much more easily than previous versions of the virus.
There are concerns of a severe flu season ahead, based on the fact people may be more susceptible than normal. The reason is that we weren’t exposed to flu viruses last season, and immunity wanes over time.
The fast-spreading COVID-19 mutation known as the Delta variant has gained a foothold in the United States. The new variant renews concerns about how to keep children safe, especially with another school year around the corner.
You may have heard misgivings from a friend or relative about COVID-19 vaccines that focus on reproductive health issues. In this Q and A, an OB-GYN explains there is no science to support these misgivings.
Medical researchers are just beginning to understand the long-term effects of COVID-19. Evidence is showing that even people with mild symptoms of COVID-19 may suffer health problems for weeks or months afterward.
A UH Rainbow pediatric infectious disease specialist explains why children should get a COVID-19 vaccine and the part that children can play in stopping spread of the disease – and halting development of coronavirus variants.
While more and more people are getting vaccinated, many medical experts and scientists think COVID-19 cases are rising in a new “fourth wave.” Learn more about the coronavirus variants and likely reasons why U.S. cases recently began going up.