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March 19–20. On March 19, totals of the number of positive coronavirus cases were given by the MDH. The MDH announced an additional 22 cases in the state, bringing the state's total to 107. One of those cases was a 5-year-old from Howard County — the first case of a child contracting the virus in Maryland.
Frostburg is a city in Allegany County, Maryland. It is located at the head of the Georges Creek Valley, 8 miles (13 km) west of Cumberland. The town is one of the first cities on the "National Road", US 40, and the western terminus of the Western Maryland Scenic Railroad. It is part of the Cumberland metropolitan area .
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]
v. t. e. The first cases of the COVID-19 pandemic of coronavirus disease 2019 in North America were reported in the United States on 23 January 2020. Cases were reported in all North American countries after Saint Kitts and Nevis confirmed a case on 25 March, and in all North American territories after Bonaire confirmed a case on 16 April.
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2.The first known case was identified in Wuhan, China, in December 2019. Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS-CoV outbreaks, and consistent with other pandemics in human history.
The University of Montreal and Mila created the "COVID-19 Image Data Collection" in March which is a public data repository of chest imaging. [25] [26] [27] The Medical Imaging Databank in Valencian Region released a large dataset of chest imaging from Spain. [28] [29] The Italian Radiological Society is compiling an international online ...
SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). Coronaviruses undergo frequent recombination.
The transmission of COVID-19 is the passing of coronavirus disease 2019 from person to person. COVID-19 is mainly transmitted when people breathe in air contaminated by droplets / aerosols and small airborne particles containing the virus. Infected people exhale those particles as they breathe, talk, cough, sneeze, or sing.