Beta-coronavirus causes respiratory illness. ![]() IllnessĪlpha-coronavirus causes gastrointestinal or respiratory illness. Examples of delta-coronaviruses include HKU11, HKU12, HKU13 found in birds and HKU15 in pigs. Examples of gamma-coronaviruses include BdCoV in dolphins and SW1 in Beluga whale. Examples of beta-coronaviruses include SARS-CoV1, SARS-CoV2 or COVID-19, MERS-CoV in humans and (Ty-BatCoV HKU4) in bats. ExamplesĮxamples of alpha-coronaviruses include (SeACoV) in pigs, HKU2, HKU8 in bats, and 222NE, NL63 in humans. Birds are believed to be the ancestral host animals of both delta-and gamma-coronaviruses. Ancestral hostīats are believed to be the ancestral host of both alpha- and beta-coronaviruses. Delta-coronaviruses are typically found in swine and birds. ![]() Gamma-coronaviruses occur in dolphins and birds. Beta-coronavirus includes respiratory viruses like COVID-19. Difference between Coronavirus – alpha, beta, gamma, and delta DefinitionĪlpha-coronavirus is a type of virus found mainly in bats. The delta-coronavirus has a unique transcription regulatory sequence, namely 5′-ACACCA-3′, which is present in the genome and that, is not found in other coronaviruses. Type of illness caused, including symptoms:ĭelta-coronaviruses cause problems in the intestines of the infected animal, resulting in gastrointestinal distress. Ancestral forms of the virus are believed to be found in birds. This coronavirus has only been recorded in pigs and birds and is not known to ever affect humans. Features unique to this group:īeta-coronaviruses all have a special kind of protein called hemagglutinin esterase and also have an ORF1ab replicase polyprotein present, which is not found in other types of coronavirus.ĭelta-coronavirus is a type of virus that is structurally different from other coronaviruses and commonly causes illness in both birds and swine. The COVID-19 has recently been found to mutate with a newly discovered variant being more infectious than the first COVID-19 virus that was sequenced. In severe cases patients go into multiple organ failure and die. COVID-19 in particular has shown to be very damaging to the lungs, causing a type of pneumonia and affecting multiple organ systems in the body. These are respiratory viruses causing problems with the lungs. Type of illness caused, including symptoms: The likely origin of beta-coronaviruses is now thought to be bats. ![]() Beta-coronaviruses have caused MERS, SARS, and COVID-19 in people. These viruses include types of virus found in bats which have shown great similarity in amino acid structure when compared with the SARS coronavirus. Beta-coronavirus include a group of viruses that cause contagious respiratory human illnesses including COVID-19.
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