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COVID vaccine effects wane over time but still prevent death and severe illness

Several countries – including the UK – are now offering third COVID-19 shots amid reports of vaccines proving less effective over time. But do these...

The difference between COVID-19 ‘third doses’ and ‘boosters’

As hospitalizations surge nationwide due to unvaccinated patients with COVID-19, vaccines are a crucial tool to prevent severe disease and overwhelmed hospital systems. More than...

COVID vaccines less effective for people with these two health issues

In a recent study published in the Annals of Internal Medicine, researchers found that a lower-than-normal immune response to the messenger RNA (mRNA) COVID-19...

You’re much less likely to get long COVID if you’ve been vaccinated

Increasing COVID-19 vaccination rates as quickly as possible is currently a major focus for Australia. Doing so has clear benefits in reducing new infections and...

New COVID-19 nasal vaccine effective at preventing disease transmission

In a new study from the University of Houston, researchers developed an intranasal vaccine that provides durable immunity against the disease. They say the vaccine...

This study shows the cause of ‘long COVID’

In a recent study published in the journal Pathogens, researchers found that Epstein-Barr virus (EBV) reactivation resulting from the inflammatory response to coronavirus infection...

This drug duo that may treat COVID-19 effectively, study finds

In a recent study published in iScience, researchers found a drug combo that may cure COVID-19 together. The study is from the Tokyo University of...

COVID-19 antibodies persist, reduce reinfection risk for up to 6 months

In a new study from Michigan Medicine, researchers found that most patients with mild COVID-19 infections produce antibodies that persist and protect them from...

What’s it like to get a new heart during a pandemic? This Texas pastor...

On the Friday before Mother's Day, the Rev. Eddie Woods did his best to hide his discomfort. Short of breath and lightheaded, he didn't want...

People who get Moderna COVID-19 vaccine do not need a booster shot, study finds

In a new study from La Jolla Institute for Immunology, researchers help answer the question: how long does immunity against COVID-19 last in vaccinated...