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The world was suffering and People are in great grief due to COVID 19 Pandemic 2020 and 2021 due loss of life, jobs and other related socio-economic issues and now it has been in subsiding mode due to the great weapon COVID vaccine. However omicron is now threatening due to high transmissibility compare to other variants of Corona virus. All of us aware corona Vaccines have been permitted by the regulatory authorities of different countries under emergency situation for restricted use. However by considering Risk-Benefit almost >18 age group most of the people have received the vaccine in few countries but yet to reach out all people in the world. The vaccine has reached the market with exemption category and without detailed exploration of all safety parameters. In the current situation it was learned that most of the corona vaccines are safe and Adverse Events Following Immunization (AEFI) associated with all other vaccines are reported except few serious adverse effects. Corona vaccines are in the verge for administration for all age groups. Hence our health care scientist in the globe needs to study and closely to monitor the Safety parameters of all approved vaccines. This short review highlighted the ADRs reported by WHO approved vaccines during clinical trials and in treatment Adverse Events Following Immunization (AEFI).

Objective: Leaves of Bichofia javanica (BJ) have been traditionally used for many ailments including cancer. In the present study, antileukemic activity of the leaf extract was evaluated on human leukemic cell lines. Materials and Methods: Human leukemic cell lines U937, K562, and HL60 were purchased from National Facility for Animal Tissue and Cell Culture, Pune, India. The cells were routinely maintained in RPMI 1640 medium supplemented with 10% heat inactivated fetal calf serum. Cultures were maintained at 37ºC in a humidified atmosphere containing 5% CO2 in air. The methanol extract of BJ (MEBJ) was dissolved in PBS and used at the concentrations of 5, 10, and 15 μg/ml for cell viability and cytotoxicity studies (MTT assay). Cell counts were made in quadruplicate samples at the interval of 24, 48, and 72 h and cytarabine (20 μg/ml) served as standard drug. The apoptotic pathway of cytotoxicity was assessed by DNA agarose gel electrophoresis technique and confirmed by fluorescence and confocal microscopic methods at the concentration of 10 μg/ml. Results: MEBJ showed significant cytotoxicity (P

Erythrina variegata Linn. (Fabaceae), commonly known as Tiger's Claw, is a thorny deciduous tree grown in tropical and subtropical regions of Eastern Africa, Southern Asia, and Northern Australia. In India, its leaves are traditionally used for diabetes mellitus.To evaluate the hypoglycemic activity of methanol extract of E. variegata leaf (MEEV) in streptozotocin (STZ)-induced diabetic Wistar rats.Hyperglycemia was induced in rats by single intraperitoneal injection of STZ (55 mg/kg body weight). Three days after STZ induction, the hyperglycemic rats were treated with MEEV orally at the doses of 300, 600, and 900 mg/kg body weight daily for 21 days. Glibenclamide (1 mg/kg, orally) was used as reference drug. The fasting blood glucose levels were measured on every 7th day during the 21 days of treatment. Serum biochemical parameters including lipid content were estimated.MEEV at the doses of 300, 600, and 900 mg/kg orally significantly (P 0.01) and dose-dependently reduced and normalized blood glucose levels as compared to that of STZ control group; the dose 900 mg/kg being the most potent showing complete normalization of blood glucose levels. Serum biochemical parameters including lipid profile were significantly (P 0.01) restored toward normal levels in META-treated rats as compared to STZ control animals.This study concludes that E. variegata leaf demonstrated promising hypoglycemic action in STZ-induced diabetic rats substantiating its ethnomedicinal use.

Fraxinus floribunda Wallich (Family-Oleaceae) is a wide green tree in the sub-alpine region of Sikkim, India. The methanolic extract of the leaves of Fraxinus floribunda (MEFF) at 100, 200 and 400 mg/kg/p.o was screened in rats for anti-inflammatory activity by acute-carrageenan induced paw edema, sub-acute cotton pellet induced granuloma and chronic Freund's adjuvant induced arthritis models. In all the three models of anti- inflammatory studies 200 and 400 mg/kg/p.o doses of the extract showed significant effect (P0.001). Antinociceptive evaluation was performed by writhing and tail-immersion tests in mice. Anti-nociceptive evaluation revealed that MEFF at the dose of 400 mg/kg/p.o had significant activity against the control. The relieving effect was through the peripheral and central mechanism of action of the extract. This study rationalized the ethno medicinal use of the plant for relieving pain in inflammatory pathological conditions like fracture and dislocation.

Fraxinus floribunda Wallich (Family-Oleaceae) is a wide green tree in the sub-alpine region of Sikkim, India. The methanolic extract of the leaves of Fraxinus floribunda (MEFF) at 100, 200 and 400mg/kg/p.o was screened in rats for anti-inflammatory activity by acute-carrageenan induced paw edema, sub-acute cotton pellet induced granuloma and chronic Freund\'s adjuvant induced arthritis models. In all the three models of antiinflammatory studies 200 and 400mg/kg/p.o doses of the extract showed significant effect (P Keywords : Fraxinus floribunda , Carrageenan, Cotton pellet, Freund\'s adjuvant, Writhing test, Tail immersion test. African Journal of Traditional and Complementary Medicine Vol. 4 (4) 2007: pp. 411-416