Zika virus (ZIKV) is an arthropodborne member of the genus Flavivirus of the Spondweni serocomplex and is transmitted by Aedes mosquitoes (primarily Ae. aegypti in urban and periurban cycles). ZIKV emerged in Africa and has caused outbreaks of febrile disease that clinically resemble dengue fever and other arboviral diseases but has been linked to neurologic syndromes and congenital malformation.

The World Health Organisation has once again warned that Angola is facing a yellow fever risk.

The organisation said people with the greatest risk are those in urban areas.

Mchinji — Typhoid Fever has hit Mchinji district with confirmed cases of at least 18 people who tested positive to the disease.

The Katsina State Government said on Sunday that only two persons died following the outbreak of Lassa fever in the area.

Zika virus (ZIKV), an emerging flavivirus, generally causes mild infection in humans but is associated with severe neurologic complications and adverse fetal outcomes. ZIKV is transmitted to humans primarily by aedes mosquitoes. However, there is some evidence of sexual transmission. Two studies have shown the presence of infectious ZIKV in semen. A recent article described detection of ZIKV RNA in semen 62 days after the onset of illness, but infectious virus was not cultured.

The recent rapid spread of Zika virus and its unexpected linkage to birth defects and an autoimmuneneurological syndrome has generated worldwide concern. Zika virus is a flavivirus like dengue, yellow fever and West Nile viruses. We present the 3.8Å resolution structure of mature Zika virus determined by cryo-electron microscopy. The structure of Zika virus is similar to other known flavivirus structures except for the ~10 amino acids that surround the Asn154 glycosylation site found in each of the 180 envelope glycoproteins that make up the icosahedral shell.

The World Health Organization has declared Zika virus a global health emergency of international concern. It's projected that the virus could infect up to 4 million people this year.

Brazil has experienced an unprecedented epidemic of Zika virus (ZIKV), with ~30,000 cases reported to date. ZIKV was first detected in Brazil in May 2015 and cases of microcephaly potentially associated with ZIKV infection were identified in November 2015. Using next generation sequencing we generated seven Brazilian ZIKV genomes, sampled from four self-limited cases, one blood donor, one fatal adult case, and one newborn with microcephaly and congenital malformations.

Scientists have warned that humans should brace for the emergence of a new virus that could be deadlier than Ebola Virus Disease (EVD), Severe Acute Respiratory Syndrome (SARS) or Zika.

Bauchi — No fewer than three persons have died from a fresh outbreak of Lassa Fever, while 10 members of a family are currently infected with the virus in Bauchi State.

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