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The highly transmissible COVID-19 delta variant, also known as B1617.2, was found in India in October 2020. It was the dominant strain in the U.S. and several other countries during the fall of ...
COVID-19 is the deadliest pandemic in US history; [357] it was the third-leading cause of death in the US in 2020, behind heart disease and cancer. [358] From 2019 to 2020, US life expectancy dropped by 3 years for Hispanic Americans, 2.9 years for African Americans, and 1.2 years for white Americans. [359]
The COVID-19 portal. Shortcut. P:COVID-19. Coronavirus disease 2019 ( COVID-19) is a contagious disease caused by the virus SARS-CoV-2. The first known case was identified in Wuhan, China, in December 2019. The disease quickly spread worldwide, resulting in the COVID-19 pandemic . Transmission and life-cycle of SARS-CoV-2 causing COVID-19.
Loss of smell or taste. Nausea. Diarrhea. The virus can lead to pneumonia, respiratory failure, heart problems, liver problems, septic shock, and death. Many COVID-19 complications may be caused ...
Droplets or aerosols. This is the most common transmission. When an infected person coughs, sneezes, or talks, droplets or tiny particles called aerosols carry the virus into the air from their ...
pink eye. rash. However, individuals with COVID-19 may have some, all, or none of the above symptoms. For instance, fever is often referred to as the most common symptom of COVID-19. However, a ...
If you know you have been exposed to COVID-19, the Food and Drug Administration (FDA) recommends testing 3 to 5 days after exposure. Cioe-Peña says the best time to test is the same day you want ...
Wash your hands frequently and carefully. Use warm water and soap and rub your hands for at least 20 seconds. Work the lather to your wrists, between your fingers, and under your fingernails. You ...