COVID-19 guidance
NHLBI's Research Strategy
COVID-19 affects all of us, with the heaviest toll on those with preexisting heart, lung, and blood conditions and populations who are vulnerable to these conditions. Our research strategy aims to understand and address risk factors for the disease, develop prevention and treatment strategies, and find ways to hasten and enhance recovery.
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NIH-funded study shows blood pressure levels rose during pandemic
Long COVID may be less common in children
Long COVID isn’t common in children, but pediatric patients who experienced lingering symptoms were more likely to lose their sense of taste or smell, have heart inflammation, and experience cough or cold symptoms.
Smoking associated with increased risk of severe COVID-19 outcomes
After assessing data from thousands of adults hospitalized for COVID-19, researchers found those who smoked or vaped were more likely than non-smokers to experience severe outcomes, including needing advanced respiratory support.
Breakthrough COVID infections rare, but more prevalent among people living with HIV
A study with more than 100,000 adults found that breakthrough COVID-19 infections occurred among 4.4% of people living with HIV compared to 3.5% of people living without HIV. These findings may support future COVID-19 vaccine guidance for adults living with HIV.
Scientists pinpoint mechanisms associated with severe COVID-19 blood clotting
Blood pressure up? COVID-19 pandemic could be to blame
