Unfortunately, neurological sequelae remained. Continued molecular surveillance is needed to monitor emerging virulent clinical strains.We retrospectively studied nasopharyngeal SARS-CoV-2 viral load in the COVID-19 patients who were hospitalized between 13 January and 1 April 2020. Quantitative real-time reverse transcription-PCR were conducted with primers and probes targeting the ORF1ab and N genes. All patients were classified as Group 1 Received favipiravir + chloroquine or hydroxychloroquine + lopinavir/ritonavir or darunavir/ritonavir for 5-10 days, Group 2 Received chloroquine or hydroxychloroquine + lopinavir/ritonavir or darunavir/ritonavir for 5-10 days and Group 3 no anti-viral medication. Of 115 patients, 38 (33%), 54 (47%), and 23 (20%) patients were in Group 1, 2, and 3, respectively. Median (IQR) baseline viral loads at days 0 of Group 1, 2, and 3 were 7.2 (6.0-8.1), 6.9 (5.8-7.8), and 6.9 (5.8-7.6) log10 copies/mL, respectively. The reductions of mean viral loads at day 3 from baseline were 2.41, 1.38,and 2.19 log10 copies/mL in the corresponding groups (P 0.05). By multiple logistic regression analysis, receiving favipiravir was associated with nasopharyngeal viral load reduction at three days (P=0.001). Significant nasopharyngeal SARS-CoV-2 viral load reduction was achieved in the COVID-19 patients who received favipiravir-containing regimen.Human Immunodeficiency Virus (HIV) infection in pregnancy may result in adverse obstetric outcomes such as still birth. The present study aimed at comparing Stillbirth Rate (SBR) for HIV-infected pregnancy with that in general population, observing year-wise trends of HIV exposed SBR and identifying possible associated exposures. A retrospective cohort study was conducted through analysis of secondary data from 314 Integrated Counselling and Testing Centres across the state of West Bengal, India from 2012 to 2020. 3478 HIV-infected pregnancies were followed up and year wise SBR was compared with that among all pregnancies of the state as per latest available Sample Registration System report in India. Year wise trend of SBR through linear regression was performed. t Test for two means and Relative Risk (RR with 95% Confidence interval) were measured to identify association between different exposures and stillbirth. SBR was significantly higher (26.7/1000) in HIV-infected pregnancies than in all pregnancies (5/1000) and it was reduced significantly following Anti Retroviral Treatment (ART) initiation (RR=0.090.05 -0.16). The spouse testing for HIV (surrogate marker for familial involvement) (RR =0.350.20- 0.61) and maternal literacy (RR =0.620.40 -0.97) were also found significantly protective for stillbirth.Necrotizing pneumonia caused by Panton-Valentine leukocidin (PVL)-positive community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) has high mortality, and is currently a serious clinical issue. PVL is a two-component toxin consisting of LukS-PV and LukF-PV. PVL was shown to cause necrosis in target cells by forming pores consisting of an octamer comprised of LukS-PV and LukF-PV. However, because of the specificity of PVL toward several target cells and species, the detailed action of PVL remains controversial. Therefore, we focused on necrotizing pneumonia caused by PVL-positive Staphylococcus aureus and clarified the effects of PVL on alveolar macrophages, which play a central role in innate immunity in the alveolar space. We constructed recombinant PVL (rPVL) components and stimulated alveolar macrophages isolated from rabbits, and then evaluated the cytotoxicity and pro-inflammatory cytokine release. Recombinant LukS-PV (rLukS-PV), but not recombinant LukF-PV (rLukF-PV), induced pro-inflammatory cytokine release. Especially, TNF-α release was mediated via the C5a receptor (C5aR) expressed in rabbit alveolar macrophages and rPVL, consisting of rLukS-PV and rLukF-PV, was highly toxic to rabbit alveolar macrophages via the same receptor. Our results, which reveal the action of PVL via C5aR on alveolar macrophages, may be useful for understanding the mechanism of necrotizing pneumonia caused by PVL.We aimed to clarify the status of hand hygiene practices among ordinary citizens during the COVID-19 pandemic in Japan, in conjunction with the total frequency of daily hand hygiene as an indicator of education and evaluation. This cross-sectional study was based on an Internet survey completed by 2,149 participants (age range 20-79 years, 51.0% men, response rate 89.5%), selected during June 23-28, 2020. The participants responded regarding the frequency of implementing hand hygiene at 5 moments (after returning from a public place; after using the toilet; after touching something outside; before eating food; and after blowing your nose, coughing, or sneezing). Additionally, participants responded regarding the number of daily hand hygiene events. The cutoff value of the total number of daily hand hygiene events to determine whether hand hygiene was performed in all 5 moments was clarified using ROC analysis. The mean number of hand hygiene events was 10.2 times/day. The prevalence of implementing hand hygiene at each moment ranged from 30.2% to 76.4%; only 21.1% practiced in all moments. Both Youden Index and specificity were high when the cut-off value was 11 times/day. The criterion of hand hygiene ≥11 times/day may be useful in education and evaluation.Soft-tissue infection with Mycobacterium mageritense is uncommon. We present the case of a 5-year-old girl who developed soft-tissue infection with M. mageritense in a subcutaneous abscess in her right ankle. She had a history of acute encephalopathy and adrenal insufficiency and was hospitalized for acute pancreatitis. During hospitalization, she developed fever and tachycardia. A blood culture was positive for gram-positive bacilli. Initially, matrix-assisted laser desorption/ionization-time of flight mass spectrometry (MALDI-TOF MS) reported a different organism, but a repeat test identified M. mageritense. One month after the positive blood culture, redness and swelling appeared in her right ankle. Drainage from the subcutaneous abscess again grew M. mageritense, which was also confirmed by sequencing of housekeeping genes. Based on a sensitivity test, she was treated with tosufloxacin and linezolid. https://www.selleckchem.com/products/pt2385.html After starting treatment, local inflammatory findings gradually improved. Antibiotic treatment was completed in 6 months, and she has experienced no relapse in the 8 months since the completion of therapy.