scholarly journals DNA Vaccines for Emerging Infectious Diseases: What If?

1996 ◽  
Vol 2 (3) ◽  
pp. 168-175 ◽  
Author(s):  
Robert Whalen
Viruses ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 382
Author(s):  
Jingjing Jiang ◽  
Stephanie J. Ramos ◽  
Preeti Bangalore ◽  
Dustin Elwood ◽  
Kathleen A. Cashman ◽  
...  

The emergence of multiple concurrent infectious diseases localized in the world creates a complex burden on global public health systems. Outbreaks of Ebola, Lassa, and Marburg viruses in overlapping regions of central and West Africa and the co-circulation of Zika, Dengue, and Chikungunya viruses in areas with A. aegypti mosquitos highlight the need for a rapidly deployable, safe, and versatile vaccine platform readily available to respond. The DNA vaccine platform stands out as such an application. Here, we present proof-of-concept studies from mice, guinea pigs, and nonhuman primates for two multivalent DNA vaccines delivered using in vivo electroporation (EP) targeting mosquito-borne (MMBV) and hemorrhagic fever (MHFV) viruses. Immunization with MMBV or MHFV vaccines via intradermal EP delivery generated robust cellular and humoral immune responses against all target viral antigens in all species. MMBV vaccine generated antigen-specific binding antibodies and IFNγ-secreting lymphocytes detected in NHPs up to six months post final immunization, suggesting induction of long-term immune memory. Serum from MHFV vaccinated NHPs demonstrated neutralizing activity in Ebola, Lassa, and Marburg pseudovirus assays indicating the potential to offer protection. Together, these data strongly support and demonstrate the versatility of DNA vaccines as a multivalent vaccine development platform for emerging infectious diseases.


2020 ◽  
Vol 11 (SPL1) ◽  
pp. 86-93
Author(s):  
Dhirajsingh Sumersingh Rajput

Evolution is continuous process of changes in structural and physiological mechanism in living being. Microbes/pathogens can evolve naturally or artificially and become resistant to various medicines. Novel coronavirus is such evolved pathogen of coronavirus group. Enough strong immunity is needed to prevent or survive from COVID-19 pandemic. Ayurveda provides ways for evolving physiological responses to built immunity. Present work is brief attempt to increase insight in this filed.Present review was done based on simple theory of evolution, recent updates regarding prevention of COVID-19, Ayurveda aspect toward infectious diseases and Ayurveda ways towards prevention of infectious diseases with special reference to COVID-19. Person with impaired immunity is more susceptible for COVID-19 and thus immunity is an important preventing factor. Ayurveda Rasayana (rejuvanation) herbs, Yoga exercises, Pranayama (special breathing exercise), daily regimens and personal hygiene guidelines can be helpful strategies in controlling the spread of COVID-19.The preventive aspects of pandemic situations are narrated in Ayurveda with enough details. These ways need to be scientifically explored and refined for precision. As prevention is always better than cure hence Ayurveda ways can be considered for future strategies to avoid pandemics such as COVID-19.  There is great need of research on Ayurveda medicines on COVID-19 like diseases.


2020 ◽  
Vol 11 (SPL1) ◽  
pp. 1026-1033
Author(s):  
Nivedha Valliammai Mahalingam ◽  
Abilasha R ◽  
Kavitha S

Enormous successes have been obtained against the control of major epidemic diseases, such as SARS, MERS, Ebola, Swine Flu in the past. Dynamic interplay of biological, socio-cultural and ecological factors, together with novel aspects of human-animal interphase, pose additional challenges with respect to the emergence of infectious diseases. The important challenges faced in the control and prevention of emerging and re-emerging infectious diseases range from understanding the impact of factors that are necessary for the emergence, to development of strengthened surveillance systems that can mitigate human suffering and death. The aim of the current study is to assess the awareness of symptomatic differences between viral diseases like COVID-19, SARS, Swine flu and common cold among dental students that support the prevention of emergence or re-emergence. Cross-sectional type of study conducted among the undergraduate students comprising 100 Subjects. A questionnaire comprising 15 questions in total were framed, and responses were collected in Google forms in SPSS Software statistical analysis. The study has concluded that dental students have an awareness of the symptomatic differences between infectious viral disease. The study concluded that the awareness of symptomatic differences between viral diseases like COVID-19, SARS, Swine flu, Common cold is good among the dental students who would pave the way for early diagnosis and avoid spreading of such diseases. A further awareness can be created by regular webinars, seminars and brainstorming sessions among these healthcare professionals.


2005 ◽  
Vol 10 (45) ◽  
Author(s):  
C J Williams

A study from China has provided evidence that bats may be the natural reservoir for severe acute respiratory syndrome coronavirus (SARS-CoV)


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