Research

Here's what to know about dengue, as Puerto Rico declares a public health emergency Most people with dengue will show no signs of infection or experience only mild symptoms, but in rare cases infections can become severe and potentially fatal. NPR

Puerto Rico has issued a public health emergency after recording an unusually rapid rise in dengue cases over the first few months of this year.

Study: Kids with COVID but no symptoms play key role in household spread A study today in Clinical Infectious Diseases conducted across 12 tertiary care pediatric hospitals in Canada and the United States shows that asymptomatic children with COVID-19, especially preschoolers, contribute significantly to household transmission. CIDRAP

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The researchers discovered that 10.6% of exposed household contacts developed symptomatic illness within 14 days of exposure to asymptomatic test-positive children, a rate higher than expected.

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FDA OKs Invivyd's COVID preventive Pemgarda for emergency use The pre-exposure treatment is indicated for adolescents and adults with moderate-to-severe immunocompromising conditions. CIDRAP

The Food and Drug Administration (FDA) on March 22 granted emergency use authorization (EUA) for Invivyd's monoclonal antibody to prevent COVID-19 in immunocompromised patients, which fills a gap following the withdrawal of Evusheld in January 2023.