搜尋結果
2022年8月11日 · Today, CDC is streamlining its COVID-19 guidance to help people better understand their risk, how to protect themselves and others, what actions to take if exposed to COVID-19, and what actions to take if they are sick or test positive for the virus. COVID-19 ...
2024年3月15日 · Monitoring the impact of COVID-19 and the effectiveness of prevention and control strategies remains a public health priority. CDC continues to provide sustainable, high-impact, and timely information to inform decision-making. COVID Data Tracker. Find links to guidance and information on all topics related to COVID-19, including the COVID-19 ...
- Overview
- Feeling Sick?
- Resources
Updated Oct. 26, 2022
Print
People with COVID-19 have had a wide range of symptoms reported – ranging from mild symptoms to severe illness. Symptoms may appear 2-14 days after exposure to the virus. Anyone can have mild to severe symptoms. Possible symptoms include:
•Fever or chills
•Cough
•Shortness of breath or difficulty breathing
When to Seek Emergency Medical Attention
Difference Between Flu and COVID-19 Influenza (Flu) and COVID-19 are both contagious respiratory illnesses, but they are caused by different viruses. COVID-19 is caused by infection with a coronavirus named SARS-CoV-2, and flu is caused by infection with influenza viruses. You cannot tell the difference between flu and COVID-19 by symptoms alone because some of the symptoms are the same. Some PCR tests can differentiate between flu and COVID-19 at the same time. If one of these tests is not available, many testing locations provide flu and COVID-19 tests separately. Talk to a healthcare provider about getting tested for both flu and COVID-19 if you have symptoms. Learn more
More Information
•Understanding Your Risk •Healthcare Workers: Information on COVID-19 •Visit archive.cdc.gov for a historical snapshot of the COVID-19 website, capturing the end of the Federal Public Health Emergency on June 28, 2023. •Visit the dynamic COVID-19 collection to search the COVID-19 website as far back as July 30, 2021. Last Updated Oct. 26, 2022 Source: National Center for Immunization and Respiratory Diseases (NCIRD), Division of Viral Diseases
CDC is the nation's leading science-based, data-driven, service organization that protects the public's health. CDC works 24/7 to protect America from health, safety and security threats, both foreign and in the U.S. About CDC. Organization and Mission. Leadership.
2023年12月8日 · Summary. What CDC knows. JN.1, a variant of the virus that causes COVID-19, is a closely related offshoot of the variant BA.2.86 that CDC has been tracking since August. JN.1 is currently projected to comprise 15-29% of circulating variants and continues to grow quickly compared with other variants .
2024年5月14日 · Children aged 6 months–4 years may need multiple doses of COVID-19 vaccines to be up to date, including at least 1 dose of updated COVID-19 vaccine. People who are moderately or severely immunocompromised may get additional doses of updated COVID-19 vaccine. People aged 65 years and older who received 1 dose of any updated 2023-2024 COVID-19 ...
2023年4月26日 · MMWR: Spike Gene Target Amplification in a Diagnostic Assay as a Marker for Public Health Monitoring of Emerging SARS-CoV-2 Variants — United States, November 2021–January 2023. MMWR: Genomic Surveillance for SARS-CoV-2 Variants: Predominance of the Delta (B.1.617.2) and Omicron (B.1.1.529) Variants — United States, June 2021–January 2022.
