New Covid-19 Subvariants BA.5 and BA.4 viral Strains of Concern ,Here what you should know


Omicron BA.4 and Omicron BA.5

Worldwide. More than 548.990.094 were confirmed to have Covid-19, 6.341.637 have died and more than 12.037.559,037 vaccines were administered (Data From WHO) currently there new viral strains BA.4 and BA.4 are dominant in the US. according to CDC data, BA.5 subvariant counts more than 54% of all confirmed COVID cases while BA.4 occupies more than 17% of all confirmed cases.

what the world should fear about these new variants .they are more transmissible and spread quickly and sometimes they are more severe than old variants, these are due to their biological changes that affect their genome that make them more resistant to the body's immune system.

Studies done showed that BA.4 and BA.5 infect people who are immune to early Omicron Strain and other viral Strains, current vaccines are less effective.

BA.5 are dominant viral stain worldwide,this explains its high contagiosity, even if it causes many cases to be hospitalized fortunately there are few critical cases.

Covid preventive measures should be strengthened in order to tackle these new variants

Signs and Symptoms of BA.4 and BA.5 

Ba.4 and BA.5 share common symptoms as other coronavirus strains including
  • Runny nose
  • Sore Throat 
  • Headache
  • Persistent cough 
  • Fatigue
Without Strong health preventive measures, These New Strains can result to a worldwide health burden in future 

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