Specific cellular and host tropism is a characteristic property of many viruses mediated by the interaction of viral attachment proteins with components of the plasma membrane of the cell. We have studied the binding of virus to cells quantitatively by using type 3 reovirus labeled with 125I and GH4C1 pituitary cells in culture. Binding was rapid at both 4 degrees and 15 degrees C and was stabl...

The paper presents an analysis of own clinical and experimental data on the participation ducks in possible emergence swine alpha-coronavirus — a virus endemic diarrhea (PED-CoV), as well porcine beta-coronavirus threats (hemagglutinating encephalomyelitis virus, PHE-CoV) COVID pandemia context. coronavirus duck enteritis (DE-CoV) was studied nineties twentieth century: biodiversity its morphol...

Erthrocytes collected from monkey species including grivet, rhesus, and cynomolgus monkeys were stabilized by fixation with glutaraldehyde of a low concentration and were freeze-dried in vacuo. These freeze-dried erythrocytes were compared with fresh erythrocytes for measles viral hemagglutination and hemagglutination inhibition and could be used in both tests instead of fresh erythrocytes. The...

Genetic recombination of the neurovirulent A/NWS/cc-p (H0N1) and the non-neurovirulent A/Jap.305/57 (H2N2) influenza viruses in which hemagglutinin and neuraminidase were segregated (H0N2, H2N1) were studied for neurovirulence in mice immunosuppressed with cyclophosphamide (CPA) which permitted full expression of virulence. Both H0N2 and H2N1 recombinants replicated in the brain (in contrast to...

Anti-rabbit alveolar macrophage goat serum (AMS), adsorbed of hemolysins and hemagglutinins, exhibited complement-dependent cytotoxicity for the following rabbit target cells: alveolar macrophages, thymocytes, and kidney (RK-13) cells. The intravenous injection of AMS, sufficient to reduce markedly the dermal tuberculin reaction in BCG-sensitized rabbits, did not suppress the development of BCG...