The fresh surge in COVID-19 cases has now confirmed that the second wave of the coronavirus pandemic is here and is expanding its footprints in India.
The study by the Centre for Cellular and Molecular Biology (CCMB) and CSIR-Institute of Microbial Technology (I M Tech) proved the presence of Coronavirus in air samples in Covid-19 wards of hospitals.
Several other studies done earlier also proved the presence of other pathogenic airborne viruses, bacteria and fungi in ICU and wards.
SARS-CoV2 enters humans using ACE 2 (Angiotensin converting enzyme 2) receptors present in the nose and mouth. Inhibition or regulation of ACE2 receptors potentially be effective in the treatment of COVID-19.
Secretory IgA plays a crucial role in the immune defence of mucosal surfaces, the first point of entry of SARS-CoV-2.
IgA is in fact the most important immunoglobulin to fight infectious pathogen in respiratory system and digestive system at the point of pathogen entry. As an immune barrier, secretory IgA can neutralize SARS-CoV-2 before they reach and bind the epithelial cells.
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