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48


The public health planners' perfect storm: Hurricane Matthew and Zika virus

Ahmed, Qanta A; Memish, Ziad A
Hurricane Matthew threatened to be one of the most powerful Hurricanes to hit the United States in a century. Fortunately, it avoided making landfall on Florida, the eye of the Hurricane remaining centered 40 miles off the Florida coast. Even so it has resulted in over $7 Billion USD in damage according to initial estimates with much of the damage ongoing in severe flooding. Response to and recovery from Hurricane Matthew challenged Florida's public health services and resources just as emergency Zika-specific congressional funding to combat Zika outbreaks in Florida had become available. Hurricanes can disrupt the urban environment in a way that increases the likelihood of vector-borne illnesses and their aftermath can severely strain the very infectious disease and infection control academe needed to combat vector-borne outbreaks. This commentary attempts to examine the challenges posed by Hurricane Matthew in Florida's efforts to contain Zika.
PMID: 28017726
ISSN: 1873-0442
CID: 3428382

Yellow fever from Angola and Congo: a storm gathers

Ahmed, Qanta A; Memish, Ziad A
In common with Zika, Chikungunya and Dengue, Yellow Fever (YF) is an arthropod-borne flavivirus. It is transmitted between humans and from monkeys by mosquitoes of the Aedes aegypti (its principal vector), haemogogus and albopictus varieties. Three cycles of transmission may occur: urban; sylvatic; and intermediate. Recently, sub-Saharan Africa has seen the resurgence of this neglected disease. The current YF outbreak in Angola began in December 2015 in the capital Luanda and by October 2016 there had been > 4300 suspected cases, with 376 deaths (case fatality rate = 8.8%). A total of 884 were laboratory confirmed but it is likely that case numbers may be seriously underestimated. YF has subsequently quickly spread to neighbouring Congo and further afield to Kenya and also China, this being of grave concern as this was a first introduction of YF to Asia. YF has recently hit Brazil, with 555 suspected cases and 107 deaths reported by the end of January 2017. Extremely rapid unplanned urban migration in Africa by non-immune rural populations to already densely populated cities, where high densities of mosquitoes co-exist with city dwellers in makeshift flimsy accommodation, poses a ready recipe for an epidemic of massive proportion. In such conditions, with enormously strained public services existing among the most needy and vulnerable populations, mosquito control programmes are nearly impossible. YF in Congo is a tempest barely restrained. However, it is one that can be controlled by focused and committed international collaboration, by intense and united political will and by the marriage of old and trusted techniques: a vaccine almost a century old and some of the most modern technologies available to man.
PMID: 28424031
ISSN: 1758-1133
CID: 3428392

Hajj 2016: Required vaccinations, crowd control, novel wearable tech and the Zika threat [Editorial]

Ahmed, Qanta A; Memish, Ziad A
PMID: 27663284
ISSN: 1873-0442
CID: 3428352

Hajj 2016: Under the shadow of global Zika spread

Ahmed, Qanta A; Kattan, Rana F; Memish, Ziad A
PMID: 27751616
ISSN: 1527-3296
CID: 3428362

Yellow fever and Hajj: with all eyes on Zika, a familiar flavivirus remains a threat

Ahmed, Qanta A; Memish, Ziad A
Hajj is among the world's largest mass gatherings, drawing between 2 and 3.5 million Muslims from 183 nations annually to perform pilgrimage in Mecca, Saudi Arabia. Infectious disease outbreaks can be imported both into the Hajj population and exported internationally by returning pilgrims. The domestic Saudi population can also be at risk of outbreaks traveling amid this mass migration. With yellow fever reported for the first time in China following the infection of expatriate Chinese workers in Angola and a full blown outbreak underway in wider West Africa, the prospect of yellow fever outbreaks in Asia threatens to impact Saudi Arabia, both during and beyond the Hajj season. With global focus trained on Zika, the rising threat of yellow fever cannot be overlooked. Strategies to mitigate risk to Saudi Arabia and the global population are thereby suggested.
PMID: 27757795
ISSN: 2095-0225
CID: 3428372

Continuous Mandatory Onsite Consultant Intensivists in the ICU: Impacts on Patient Outcomes

Baharoon, Salim; Alyafi, Walid; Tamim, Hani; Al-Jahdali, Hamdan; Alsafi, Eman; Al-Sayyari, Abdullah; Ahmed, Qanta
OBJECTIVE:The aim of this study was to compare the impacts on patient outcomes of continuous versus on-demand access to certified consultant intensivists in the intensive care unit (ICU). METHODS:Two general adult ICUs within the same health-care organization were compared in terms of patient outcomes. One unit featured continuous mandatory presence of a consultant intensivist (unit A), whereas the other had continuous access to a consultant intensivist during daytime hours but only on-demand access during the night-time hours (unit B). The data collected from these 2 units over the same 12-month period included sex, age, APACHE II score, disease category (medical, surgical, or traumatic), ICU mortality, and length of stay. A subgroup analysis was undertaken to assess the impact of disease severity, age, sex, and disease category on mortality. RESULTS:When adjusted for disease severity, mortality was significantly lower in unit A with continuous mandatory 24-hour presence of a consultant intensivist compared with unit B with on-demand access to a consultant intensivist after working hours. Old age, female sex, and a higher APACHE II score were associated with poorer outcomes at both sites. The subgroup analysis revealed that the difference in mortality was only significant among medical patients but not among surgical or trauma patients. CONCLUSIONS:An improved survival rate was observed only among medical patients admitted to the ICU with mandatory continuous access to a consultant intensivist, despite the presence of greater disease severity in the population admitted to this unit.
PMID: 24618645
ISSN: 1549-8425
CID: 3428762

Israel-Gaza conflict [Letter]

Ahmed, Qanta; Avidan, Alon Y; Ciechanover, Aaron; Shechtman, Daniel; Zajfman, Daniel; Reichman, Uriel; Kornberg, Roger; Hershko, Avram; Lavie, Peretz
PMID: 25145777
ISSN: 0140-6736
CID: 1142572

Poliomyelitis in Pakistan: time for the Muslim world to step in

Ahmed, Qanta A; Nishtar, Sania; Memish, Ziad A
PMID: 23623055
ISSN: 1474-547x
CID: 3428562

Sleep in athletes and the effects of Ramadan

Roky, Rachida; Herrera, Christopher Paul; Ahmed, Qanta
Sleep is now considered as a new frontier in performance enhancement. This article presents background content on sleep function, sleep needs and methods of sleep investigation along with data on the potential effects of Ramadan fasting on sleep in normal individuals and athletes. Accumulated sleep loss has negative impacts on cognitive function, mood, daytime sleepiness and performance. Sleep studies in athletes fasting during Ramadan are very rare. Most of them have demonstrated that during this month, sleep duration decreased and sleep timing shifted. But the direct relation between sleep changes and performance during Ramadan is not yet elucidated. Objective sleep patterns can be investigated using polysomnography, actigraphy, and standardised questionnaires and recorded in daily journals or sleep logs. The available data on sleep indicate that team doctors and coaches should consider planning sleep schedule and napping; implementing educational programmes focusing on the need for healthy sleep; and consider routine screening for sleep loss in athletes of all age groups and genders.
PMID: 22694752
ISSN: 1466-447x
CID: 3428752

The Muslim football player and Ramadan: current challenges

Zerguini, Yacine; Ahmed, Qanta A; Dvorak, Jiri
Islam is a monotheistic Abrahamic faith characterised by devotional orthopraxy. The actions expected of followers of Islam are closely prescribed in the Qur'an. Muslims understand Ramadan as a mandatory requirement, excused only in the event of illness, infirmity or extremes of age. Due to the increasing popularity of football among Muslims, more and more Muslim football players of all levels make the decision to follow the Ramadan fast while they need to practise and compete. Sports medicine clinicians and scientists have the responsibility to provide them with the knowledge and evidence on how exactly Ramadan fasting impacts on their performance and how to optimise their eating, drinking and sleeping in order to minimise negative effects of their religious practice, should any have been demonstrated. The first International Federation of Football Associations (FIFA) Medical Assessment and Research Centre (F-MARC) study concluded that biochemical, nutritional, subjective well-being and performance variables were not adversely affected in young male national level players who followed Ramadan fasting in a controlled environment. Match performance was however not measured and the study did not include elite level players, leading to the Ramadan consensus meeting in order to answer the remaining questions. The conclusions and recommendations published in this supplement suggest that the best coping strategies will remain individual - as is the choice to fast.
PMID: 22594952
ISSN: 1466-447x
CID: 3428342