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Norovirus Outbreak in the US: What You Need to Know

The norovirus, commonly referred to as the “stomach bug,” is currently spreading throughout the northeastern region of the United States. The Centers for Disease Control and Prevention (CDC), the nation’s public health agency, has released data indicating a rise in norovirus cases in recent weeks.

Key Points:

1. Transmission and Symptoms:

• Norovirus is identified as the primary cause of vomiting, diarrhea, and foodborne illness in the US.
• It affects individuals of all age groups and spreads very easily and quickly.
• The virus can be contracted through direct contact with an infected person, sharing food or utensils, or consuming food prepared by them.
• Symptoms typically manifest 12 to 48 hours after exposure and include frequent vomiting and diarrhea.
• While most individuals recover within one to three days, they remain contagious for a few days afterward.

1. Preventive Measures:

• The CDC recommends:
  • Thorough handwashing with soap and water.
  • Sanitizing surfaces with bleach.
  • Using hot water to launder clothes.
• Norovirus can be contracted multiple times due to the existence of various virus strains.
• It causes around 19 to 21 million illnesses annually in the US, with the highest occurrence typically observed from November to April.
• Approximately 109,000 hospitalizations and 900 deaths are attributed to norovirus each year, primarily affecting older adults.

1. Distinction from Influenza:

• Norovirus illness is distinct from influenza (caused by the influenza virus).
• It is a prevalent virus unrelated to the flu.

1. Severity and Dehydration:

• Severe symptoms include frequent vomiting or diarrhea, which can lead to dehydration.
• Young children, older adults, and individuals with underlying health conditions are particularly at risk.
• Signs of dehydration in children may include reduced tear production, unusual sleepiness, or irritability.

1. Recent Outbreaks:

• Recent outbreaks have been reported in and around Washington DC, Detroit, and Las Vegas, among other places.
• Contagion levels are on par with pre-COVID-19 pandemic activity restrictions.

Remember to take necessary precautions, practice good hygiene, and stay informed about updates from health authorities during this outbreak. Stay safe and vigilant!