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The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [126] [127] As of March 2023, more than 5.5 billion people had received one or more doses [128] (11.8 billion in total) in over 197 countries.
For the Netherlands, based on overall excess mortality, an estimated 20,000 people died from COVID-19 in 2020, [9] while only the death of 11,525 identified COVID-19 cases was registered. [8] The official count of COVID-19 deaths as of December 2021 is slightly more than 5.4 million, according to World Health Organization's report in May 2022.
This is a general overview and status of places affected by severe acute respiratory syndrome coronavirus 2(SARS-CoV-2), the virus which causes coronavirus disease 2019 (COVID-19) and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 were identified in Wuhan, the capital of the province of Hubeiin Chinain December 2019.
For even more international statistics in table, graph, and map form see COVID-19 pandemic by country. COVID-19 pandemic is the worst ever world wide calamity experienced on a large scale (with an estimated 7 million deaths) in the 21st century. The COVID-19 death toll is the highest seen on a global scale since the Spanish flu and World War II
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.
According to the World Health Organization, approximately 10 million new TB infections occur every year, and 1.5 million people die from it each year – making it the world's top infectious killer (before COVID-19 pandemic). However, there is a lack of sources which describe major TB epidemics with definite time spans and death tolls.
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.
Sialodacryoadenitis virus (SDAV), which is a strain of the species Murine coronavirus, is highly infectious coronavirus of laboratory rats, which can be transmitted between individuals by direct contact and indirectly by aerosol. Rabbit enteric coronavirus causes acute gastrointestinal disease and diarrhea in young European rabbits.