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As of April 3, 2021, Texas has the second-highest number of confirmed cases in the United States, behind California, and the 26th highest number of confirmed cases per capita. It has the third-highest number of deaths related to the virus, behind New York and California, and the 24th-highest count of deaths per capita. [3] [4] [5]
Influenza A virus subtype H1N1: 2,035 [284] [285] [286] 2015–16 Zika virus epidemic: 2015–2016 Worldwide Zika virus: 53 [287] 2016 Angola and Democratic Republic of the Congo yellow fever outbreak: 2016 Angola and Democratic Republic of the Congo: Yellow fever: 498 (377 in Angola, 121 in Congo) [288] 2016–2022 Yemen cholera outbreak: 2016 ...
Dallas/Fort Worth International Airport one of eleven airports in the U.S. receiving diverted flights from China after February 3. A pandemic involving the spread of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began in 2019 with the outbreak first identified in Wuhan, China, in December 2019.
Virus infections start when viral particles bind to host surface cellular receptors. [158] Protein modeling experiments on the spike protein of the virus soon suggested that SARS‑CoV‑2 has sufficient affinity to the receptor angiotensin converting enzyme 2 (ACE2) on human cells to use them as a mechanism of cell entry. [159]
A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. [ 1 ] Examples are the common cold , gastroenteritis and pneumonia .
During the COVID-19 pandemic in Texas, the first confirmed case of the virus in Texas was announced on March 4, 2020. [138] On April 27, 2020, Governor Greg Abbott announced phase one of re-opening the economy. [139] Amid a rise in COVID-19 cases in autumn 2020, Abbott refused to enact further lockdowns.
COVID-19 is a contagious respiratory disease caused by SARS-CoV-2. [4] Although the first reported cases were contemporaneously confirmed in the Wuhan, Hubei, China, on December 31, 2019, [5] a later study conducted by the Genetic Institute at the University College London indicate a possible origin as early as October 2019 via zoonosis. [6]
The virus can spread to different organs throughout the chicken. [131] The virus is transmitted by aerosol and food contaminated by feces. Different vaccines against IBV exist and have helped to limit the spread of the virus and its variants. [127] Infectious bronchitis virus is one of a number of strains of the species Avian coronavirus. [133]