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SB-29. The SB-29 'Super Dumbo' was a version of the B-29 adapted for air-sea rescue duty after World War II. Sixteen B-29s were modified to carry a droppable A-3 lifeboat under the fuselage; redesignated SB-29, they were used mainly as rescue support for air units that flew long distances over water.
The Boeing B-29 Superfortress is an American four-engined propeller-driven heavy bomber, designed by Boeing and flown primarily by the United States during World War II and the Korean War. Named in allusion to its predecessor, the B-17 Flying Fortress, the Superfortress was designed for high-altitude strategic bombing, but also excelled in low ...
Variants of severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2) are viruses that, while similar to the original, have genetic changes that are of enough significance to lead virologists to label them separately. SARS-CoV-2 is the virus that causes coronavirus disease 2019 (COVID-19).
It had a variant called B.1.1.7 that caused more severe disease. Alpha circulated from late 2020 to late 2021 before it was outcompeted by Delta and then Omicron. Our current vaccines are ...
The continued spread of the SARS-CoV-2 virus has spawned a Greek alphabet of variants - a naming system used by the World Health Organization to track concerning new mutations of the virus that ...
The Boeing B-29 Superfortress is a United States heavy bomber used by the United States Army Air Forces in the Pacific Theatre during World War II, and by the United States Air Force during the Korean War. Of the 3,970 built, 26 survive in complete form today, 24 of which reside in the United States, and two of which are airworthy.
HV.1 is the newest COVID-19 variant gaining steam in the U.S. Currently, the strain makes up nearly 20% of COVID-19 cases in the country. HV.1 descended from Omicron and EG.5.
Omicron (B.1.1.529) is a variant of SARS-CoV-2 first reported to the World Health Organization (WHO) by the Network for Genomics Surveillance in South Africa on 24 November 2021. [10] [11] It was first detected in Botswana and has spread to become the predominant variant in circulation around the world. [12]