Journal of Clinical Periodontology, 11th Nov 2020 CHX has well-documented plaque-inhibiting effects and is used as a compensatory biocide for abstention of mechanical toothbrushing after periodontal surgery. Since the main side effect of CHX is tooth staining, .

This is the strongest evidence so far that shows sustained defence in people who have recovered from coronavirus. This study shows that #COVID19  recovered people show faster and stronger immune response upon re-infection. Study: Evolution of Antibody Immunity to .

What is the latest evidence on pre-existing immunity against #sarscov2 among uninfected individuals? SARS-CoV-2 antibodies detected in uninfected individuals. (Science, 6 Nov 2020) Population: Particularly prevalent in children and adolescents. Antibodies: predominantly IgG class, which mainly .

COVID-19 vaccine update from the latest Lancet article (4 Nov 2020) As the efficacy decreases, the population that needs to be vaccinated increases. (a) For a vaccine with 100% efficacy that gives life-long protection, herd immunity required to .

Even if a #COVID19 patient is totally asymptomatic, his cough usually sounds slightly different from a healthy person’s cough because #SARSCoV2 affects patients’ lungs & vocal cords. Scientists at Massachusetts Institute of Technology (MIT) used artificial intelligence #AI to .

Interferons can explain why males & older people are more vulnerable to #COVID19. (Nature, 2 Nov 2020) Main causes for vulnerability: IFN-1 deficiencies and autoantibodies to IFN-1. First, what are Interferons (IFN)? (1) IFN are cytokines (immune signaling .

If a household member gets #COVID19, what’s your chance of getting infected from him? Latest report from CDC (30 Oct 2020) 101 index patients and 191 household members were enrolled and completed ≥7 days of follow-up. Percentage of index .

Death rates have dropped significantly in critically ill #COVID19 patients. Survival rates have improved with medical advances and less crowded hospitals. England study of 15,000 patients showed that survival improved by about 10% each week after March end .

Lancet Respiratory Medicine, 29 Oct 2020 Surface transmission is unlikely to be a major route of transmission, as although SARS-CoV-2 can persist for days on inanimate surfaces, attempts to culture the virus from these surfaces were unsuccessful.  .

Chronic obstructive pulmonary disease (COPD) is a progressive, inflammatory lung disease with few available disease-modifying therapies. Acute exacerbations of COPD (AECOPD) increase morbidity and mortality, and their occurrence coincides with sputum and oral microbiota dysbiosis. The .