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Infrasound sensitive fibers are found to be simple bipolar cells in the auditory ganglion with a diameter of 1.6-2.2 μm at the axon and 0.9-1.2 μm at the dendrites. [19] They originate in the apical end of the cochlea and they are located near fibers that transmit low frequency sounds in the acoustic range.
Infrasound wavelengths can be generated artificially through detonations and other human activity, or naturally from earthquakes, severe weather, lightning, and other sources. [73] Like forensic seismology , algorithms and other filter techniques are required to analyze gathered data and characterize events to determine if a nuclear detonation ...
In COVID-19, the arterial and general tissue oxygen levels can drop without any initial warning.The chest x-ray may show diffuse pneumonia.Cases of silent hypoxia with COVID-19 have been reported for patients who did not experience shortness of breath or coughing until their oxygen levels had depressed to such a degree that they were at risk of acute respiratory distress (ARDS) and organ failure.
Human-to-human transmission of SARS‑CoV‑2 was confirmed on 20 January 2020 during the COVID-19 pandemic. [ 16 ] [ 39 ] [ 40 ] [ 41 ] Transmission was initially assumed to occur primarily via respiratory droplets from coughs and sneezes within a range of about 1.8 metres (6 ft).
Health Feedback, fact-check, "COVID-19 is more deadly and more contagious than seasonal flu and may also cause long-lasting damage to survivors," Oct. 20, 2020. Accessed Jan. 18, 2022.
The summer surge of the coronavirus subvariants nicknamed FLiRT has given way to ever more contagious strains, a key reason behind the current high levels of COVID in California and nationwide ...
Neurological complications in COVID-19 are a result of SARS-CoV-2 infection or a complication of post infection which can be due to (1) direct SARS-CoV-2 invasion on the CNS via systemic circulation or olfactory epithelium directed trans-synaptic mechanism; (2) Inflammatory mediated CNS damage due to cytokine storm and endothelitis; (3 ...
Shi Zhengli denied that there was a connection between the WIV and the emergence of COVID-19. [48] In February 2021, after investigations in Wuhan, the WHO team said a laboratory leak origin for COVID-19 was "extremely unlikely", [ 49 ] [ 50 ] confirming what experts expected about the likely origins and early transmission. [ 51 ]