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Cluster flies are typically slow-moving. Cluster flies have a widespread distribution. Eight species are found in Britain and 31 in Europe. Pollenia species are also numerous in Australia and New Zealand (over 30 species); they are common in North America. P. rudis has spread widely in association with humans. [15] In Popular Culture
Polleniidae is a family of flies in the order Diptera. There are at least 6 genera and more than 190 described species placed definitively in Polleniidae, and other genera whose placement here is considered uncertain. [2] The largest genus is Pollenia, with close to 190 species of flies commonly called "cluster flies". [3] [4]
Female cluster flies preferentially oviposit eggs in humid areas with dense surface vegetation and high soil moisture. [22] Each egg is either deposited by itself or in a small cluster of about seven eggs. [21] In total, a female cluster fly will lay an average of 100-130 eggs by ovipositing a small group, then crawling or flying some distance ...
Infection rates dropped and stabilised throughout 2022 and 2023, leading to the end of COVID-19's classification as a severe transmissible disease in June 2023. [22] Although the pandemic has heavily disrupted the country's economy, [23] Vietnam's GDP growth rate has remained one of the highest in Asia-Pacific, at 2.91% in 2020. Due to the more ...
A police car in Hanoi with COVID-19 public health messaging. The Vietnamese government using social media platforms to keep the public informed of COVID-19 news and instructions. Thong Tin Chinh Phu (Governmental Information), the government's official Facebook page, provides nearly hourly updates on the country's pandemic situation. Zalo, a ...
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The land flatworm Humbertium covidum The caddisfly Potamophylax coronavirus (in alphabetical order of genera) Achilia covidia Kurbatov, Cuccodoro & Sabella, 2021 (Insect, Coleoptera, Staphylinidae) – "the epithet of this new species refers to the COVID-19 pandemic and the periods of quarantine during which this study was carried out by the authors".
The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.