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Sarin Fast Facts

CNN Editorial Research Here’s some background information about sarin, a man-made nerve agent developed for chemical warfare. Facts Sarin is a liquid that is clear, colorless, tasteless and odorless. Sarin is an extremely volatile nerve agent because of its ability to change from liquid to gas. If it evaporates into a gas, it can spread

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West Nile Virus Fast Facts

CNN Editorial Research West Nile virus (WNV) is primarily transmitted to humans by infected mosquitoes. More than 2,600 people have died of West Nile virus in the United States since it was first detected in New York City in 1999. Facts West Nile virus is usually spread through the bite of infected mosquitoes. It is

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Vaccines Fast Facts

CNN Editorial Research Here’s a look at information and statistics concerning vaccines in the United States. For vaccines related to coronavirus, see Coronavirus Outbreak Timeline Fast Facts. Facts The Centers for Disease Control and Prevention (CDC) provides vaccine recommendations by age, as well as by disease. For more than 100 years, there has been public

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Misinformation about how families can get through the infant formula shortage is fueling concern among pediatricians like Dr. Tanya Altmann.

Homemade infant formula can be dangerous. Experts share how to feed your baby through the shortage

By Madeline Holcombe, CNN Misinformation about how families can get through the infant formula shortage is fueling concern among pediatricians like Dr. Tanya Altmann. The California doctor has been getting phone calls, emails and social media messages — not just from her patients but from families all over the United States — along with photos

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Breakthrough infections have become more common in recent months

Growing share of Covid-19 deaths are among vaccinated people, but booster shots substantially lower the risk

By Deidre McPhillips, CNN Since Covid-19 vaccines became widely available, there has been a wide gap in deaths between the vaccinated and unvaccinated. But recent Covid deaths are much more evenly split as highly transmissible variants take hold, vaccine protection wanes and booster uptake stagnates. Breakthrough infections have become more common in recent months, putting

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Smallpox Fast Facts

CNN Editorial Research Here’s a look at smallpox, a contagious and sometimes fatal infectious disease. The most severe and most common form of the smallpox virus is known as variola major. Types of variola major smallpox Ordinary – most common, 85% of casesModified – mild and occurs in those that have been vaccinatedFlat – occurs

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Autism Fast Facts

CNN Editorial Research Here is a look at autism. Autism or autism spectrum disorder (ASD) incorporates a group of neurodevelopmental disorders causing impaired communication skills and social skills. ASD generally starts before three years of age and lasts a lifetime, but early intervention plays a role in treatment and progress. ASD is about four times

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