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2020 ; 38
(31
): 4783-4791
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Consensus summary report for CEPI/BC March 12-13, 2020 meeting: Assessment of
risk of disease enhancement with COVID-19 vaccines
#MMPMID32507409
Lambert PH
; Ambrosino DM
; Andersen SR
; Baric RS
; Black SB
; Chen RT
; Dekker CL
; Didierlaurent AM
; Graham BS
; Martin SD
; Molrine DC
; Perlman S
; Picard-Fraser PA
; Pollard AJ
; Qin C
; Subbarao K
; Cramer JP
Vaccine
2020[Jun]; 38
(31
): 4783-4791
PMID32507409
show ga
A novel coronavirus (CoV), Severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2), emerged in late 2019 in Wuhan, China and has since spread as a
global pandemic. Safe and effective vaccines are thus urgently needed to reduce
the significant morbidity and mortality of Coronavirus Disease 2019 (COVID-19)
disease and ease the major economic impact. There has been an unprecedented rapid
response by vaccine developers with now over one hundred vaccine candidates in
development and at least six having reached clinical trials. However, a major
challenge during rapid development is to avoid safety issues both by thoughtful
vaccine design and by thorough evaluation in a timely manner. A syndrome of
"disease enhancement" has been reported in the past for a few viral vaccines
where those immunized suffered increased severity or death when they later
encountered the virus or were found to have an increased frequency of infection.
Animal models allowed scientists to determine the underlying mechanism for the
former in the case of Respiratory syncytial virus (RSV) vaccine and have been
utilized to design and screen new RSV vaccine candidates. Because some Middle
East respiratory syndrome (MERS) and SARS-CoV-1 vaccines have shown evidence of
disease enhancement in some animal models, this is a particular concern for
SARS-CoV-2 vaccines. To address this challenge, the Coalition for Epidemic
Preparedness Innovations (CEPI) and the Brighton Collaboration (BC) Safety
Platform for Emergency vACcines (SPEAC) convened a scientific working meeting on
March 12 and 13, 2020 of experts in the field of vaccine immunology and
coronaviruses to consider what vaccine designs could reduce safety concerns and
how animal models and immunological assessments in early clinical trials can help
to assess the risk. This report summarizes the evidence presented and provides
considerations for safety assessment of COVID-19 vaccine candidates in
accelerated vaccine development.