Key Concepts & Self-Assessment20 Key Facts
Review key What Is the Global Mpox Vaccine Stockpile and How Will It Improve Outbreak Response? exam facts and rate your mastery to track revision.
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#1
The World Health Organization declared mpox a Public Health Emergency of International Concern on 14 August 2024 under the International Health Regulations 2005.
#2
The Africa Centres for Disease Control and Prevention declared mpox a Public Health Emergency of Continental Security on 13 August 2024.
#3
Monkeypox virus is an enveloped, double-stranded DNA virus belonging to the Orthopoxvirus genus in the Poxviridae family.
#4
Genomic classification separates mpox into Clade I (subclades Ia and Ib) found in Central Africa and Clade II (subclades IIa and IIb) originating in West Africa.
#5
Clade Ib represents a newly emerged lineage characterized by sustained human-to-human transmission, first identified in South Kivu, Democratic Republic of the Congo.
#6
The Access and Allocation Mechanism was co-founded by WHO, Africa CDC, Gavi, UNICEF, and CEPI to manage equitable distribution of mpox countermeasures.
#7
MVA-BN (Modified Vaccinia Ankara-Bavarian Nordic) is a non-replicating attenuated vaccinia vaccine approved for adults aged 18 and older in a 2-dose regimen.
#8
WHO granted its first mpox prequalification to the MVA-BN vaccine on 13 September 2024, facilitating procurement by UN agencies and Gavi.
#9
LC16m8 is a minimally replicating, attenuated live vaccinia vaccine developed in Japan and administered via scarification using a bifurcated needle.
#10
Lymphadenopathy (swollen lymph nodes in the neck, armpits, or groin) is the primary clinical hallmark that distinguishes mpox from smallpox and chickenpox.
#11
The incubation period for mpox ranges from 5 to 21 days, followed by a prodromal febrile phase lasting 1 to 4 days before cutaneous eruptions emerge.
#12
The skin rash progresses systematically through five morphological stages: macules, papules, vesicles, umbilicated pustules, and crusts that desquamate.
#13
Real-time Polymerase Chain Reaction testing of swab samples taken directly from skin lesion exudate or crusts is the gold standard diagnostic method.
#14
Serology and antibody detection are not reliable for specific mpox diagnosis due to antigenic cross-reactivity among all Orthopoxviruses.
#15
Tecovirimat (TPOXX) is an antiviral therapeutic that inhibits the VP37 envelope protein of orthopoxviruses, evaluated for treating severe clinical presentations.
#16
Natural animal reservoirs for monkeypox virus in Africa include rope squirrels, tree squirrels, Gambian pouched rats, and non-human primates.
#17
Historical smallpox vaccination using early-generation vaccinia formulations provides approximately 85 percent cross-protective immunity against mpox.
#18
Post-exposure prophylaxis with MVA-BN is recommended within 4 days of contact with a confirmed case to prevent disease onset, or up to 14 days to reduce severity.
#19
In India, the National Centre for Disease Control and the Indian Council of Medical Research serve as the apex surveillance and laboratory testing authorities for mpox.
#20
The Emergency Use Listing procedure of the World Health Organization expedites international availability of unlicensed medical products during global health crises.
Subject Specialist Commentary
Analytical perspective & practical exam advice from the Master10 academic board
The Global Mpox Vaccine Stockpile is an emergency health framework designed to pool and fairly distribute vaccines during monkeypox outbreaks. Caused by an enveloped double-stranded DNA virus in the Orthopoxvirus family, mpox spreads through close contact, causing fever, painful skin eruptions, and swollen lymph nodes. Following the emergence of the virulent Clade Ib strain in Central Africa, international health agencies organized this stockpile to deliver vaccines rapidly to communities facing health emergencies.
In UPSC Prelims and State PSC public health questions, distinguish mpox from smallpox and chickenpox: lymphadenopathy (swollen lymph nodes) is the unique clinical hallmark of mpox. Note that WHO declared mpox a Public Health Emergency of International Concern in August 2024. Remember key vaccines: MVA-BN, an attenuated vaccine prequalified by WHO in September 2024, and Japan’s LC16m8. A typical test trap confuses diagnostics: PCR testing of lesion fluid is the gold standard, not antibody tests.
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