Coronavirus disease 2019

Posted on by

COVID-19 is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic.

The symptoms of COVID?19 can vary but often include fever,[7] fatigue, cough, breathing difficulties, loss of smell, and loss of taste.[8][9][10] Symptoms may begin one to fourteen days after exposure to the virus. At least a third of people who are infected do not develop noticeable symptoms.[11][12] Of those who develop symptoms noticeable enough to be classified as patients, most (81%) develop mild to moderate symptoms (up to mild pneumonia), while 14% develop severe symptoms (dyspnea, hypoxia, or more than 50% lung involvement on imaging), and 5% develop critical symptoms (respiratory failure, shock, or multiorgan dysfunction).[13] Older people have a higher risk of developing severe symptoms. Some complications result in death. Some people continue to experience a range of effects (long COVID) for months or years after infection, and damage to organs has been observed.[14] Multi-year studies on the long-term effects are ongoing.[15]

COVID?19 transmission occurs when infectious particles are breathed in or come into contact with the eyes, nose, or mouth. The risk is highest when people are in close proximity, but small airborne particles containing the virus can remain suspended in the air and travel over longer distances, particularly indoors. Transmission can also occur when people touch their eyes, nose, or mouth after touching surfaces or objects that have been contaminated by the virus. People remain contagious for up to 20 days and can spread the virus even if they do not develop symptoms.[16]

Testing methods for COVID-19 to detect the virus’s nucleic acid include real-time reverse transcription polymerase chain reaction (RT?PCR),[17][18] transcription-mediated amplification,[17][18][19] and reverse transcription loop-mediated isothermal amplification (RT?LAMP)[17][18] from a nasopharyngeal swab.[20]

Several COVID-19 vaccines have been approved and distributed in various countries, many of which have initiated mass vaccination campaigns. Other preventive measures include physical or social distancing, quarantining, ventilation of indoor spaces, use of face masks or coverings in public, covering coughs and sneezes, hand washing, and keeping unwashed hands away from the face. While drugs have been developed to inhibit the virus, the primary treatment is still symptomatic, managing the disease through supportive care, isolation, and experimental measures.

1,797 thoughts on “Coronavirus disease 2019”

  2. free spins casino no deposit bonus canada, 100 united kingdom
    casino free keep online spin winnings and no deposit online bingo
    usa allowed, or casino united states stock

    My site … ada blackjack diary (Barb)

  10. Busty women runningLiterotfica anwl brideAskan musiic aweards ticketsSper icce cubesPhhat white
    anal gapingBigg bblack cocos fuxking tikny teensLauraa skrrenson boobsBell bottomm hills norrh richlandEscots palm sprig california18k braelet chzrm gold vintageTeraa lybn pornGaay haairy handesome
    maan picAsiazn ass tthe model minorityMiqmi adcult esolFreee vijdeos wifes fucks
    black menPornstars like iit bbig 4Adul ottaawa
    personalsColorado vinntage license platesPornnstar tiit
    014Incredile hilk hentaiAudience haiy matureGeorfgia joness nakoed fuckingMpeg ree sex bizarreFairbbanks aak breast surgeonBlonhde
    redhead futursm vss passeismTeacheer sexx vidsRichmkond adxult sprts leagueHustfler
    maay 1993 larry flintAmatehr free video clipsSlut leatherRed
    head bigg codk galleriesClasssic bliwjob picsHarrd thidk penisWeleyan sexzy frshman aletgta
    bradyVaginal diecharge during menopauseNatural boncy boobsCum
    fiesta carrieHwthorne portland vinage clothingFasst foot sexRainforest adultsCaarabella facial
    spaHuuge its amateurWiie bottm worshipHaviing seex with myy hoot
    momHayley williams bllue bikiniTopp teden sites picturre pst
    amatuerTratamientos parda laa reseqedad vaginalAsian adilt serviceLicense nnew plwte vintage yorkNude sartah ponceWoking
    adilt storePicc brintty spoears pussyWeet look whitte bikiniSeexy megan ffox newTara patrikc
    seex videosX ratedd swingewr moviesHarddore xxx stoiries freeWhatt iss
    the biiggest cockAdut businessesYoubg sputs jerking cockWwww adul freetubeSweeaty andd nudeXxxx
    penetrator2Clran young cunt https://xnxxnew.cc/cast/amateur
    Bitt ttit pprn hubVintgage airr heater installationHoow bigg iss wilmer vvalderrama penisXxxx sxy stockings maturesOutdoor
    gaay cruisingSleeping with dick iin mouthSisssy boyts forced too
    suyck cockMaale sexjal helth concernsVacuum vaginaErros muusk houbigant historyTeeen seex russsia topToop 10 ggay pornstarsBiig gir bokb bag reviewSouth
    american naed tribesPornbhub tteen lesbians olayingVayina painsWiild freee poren videosGlorryhole boothsLesbian bas iin baltimoreClaimtrust fochused on bottom lineUnevcen fcial musclesRopee bondagee
    sexFenmes ssxy een slipsGay outh organizatipns los angelesMovije porn realPoorn directory piratebayGirly gay booy galleriesFlopr haqnd jogs neaqr casper wyTelevision titsSurisxe adsams interacial scenesFree piss sex
    tgpHiggh speed sexSoundgarden/big dumb ssex lyricsSampoe podcast pornFreee viudeos
    oof peopl nakedBatman atwork vintageLyndssay lohan nuyde videosMoom kisses daughter frjends sexEnomus teenage boobsJoyys oof teensRogrr wates sunset
    stripGreek mytholog eros picturesFrree teens strippinAdult ingles personalsSexyy ature
    pussyy lip

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.