In early 2016 the Zika virus was declared a Public Health Emergency, and the world was suddenly faced with a slew of unknowns. The 10 alarming aspects of this emerging pathogen quickly sparked panic, as people wondered whether it might turn into another Ebola‑like crisis. With more questions than answers, the scramble for reliable information began.
Why These 10 Alarming Aspects Matter
10 What You Don’t Know Can Hurt You
Ignorance is far from bliss when it comes to medical and health topics. For most of us, Zika feels like a brand‑new foe, and it’s no surprise that the scientific community still lacks a solid grasp of this virus that has plagued multiple continents. Even a year after the World Health Organization declared a Public Health Emergency, we remain far short of the knowledge we hoped to have amassed.
Overshadowed by elections, terrorist attacks, and natural disasters, Zika has been kept out of the spotlight by news outlets. Apart from occasional mentions by the CDC, there has been little reporting on this mysterious and threatening virus. One can assume that the scarcity of coverage stems partly from the paucity of information. From the moment the story broke in early 2016 to the present, there hasn’t been much to fill a full news segment—just insects carrying a virus, which isn’t exactly prime television material.
9 Mosquitos
Small, pesky insects delivering a dangerous virus sounds like something straight out of a horror flick. Unfortunately, it’s a very real threat. Mosquitoes are survivors; they’re hardy, adaptable, and make it even more challenging to contain, prevent, and eradicate the deadly viruses they carry.
The primary culprits behind Zika transmission are Aedes mosquitoes. These insects have a near‑global presence, thriving in many regions across the planet.
The Aedes mosquito carries an impressive résumé, also serving as a vector for other well‑known flaviviruses such as dengue and chikungunya. Both of these viruses claim thousands of lives each year. The CDC estimates that roughly 400 million people contract dengue annually, with the highest incidence in Latin America, Southeast Asia, and the Pacific Islands.
Equally critical, chikungunya is found throughout Africa, Asia, Europe, and the Americas. It causes fever and joint pain that can be debilitating. Like Zika, there are currently no approved vaccines for dengue or chikungunya.
8 Prevention
How do you stop tiny insects from biting you? Most of the time you can’t. The CDC’s recommended prevention methods aren’t bullet‑proof, especially since there’s no vaccine for Zika yet. Staying indoors might start to sound appealing, but for the brave souls living in Zika‑ridden areas, protective clothing and insect repellent can be lifesavers.
In Miami‑Dade County, Florida, schools were urged to adopt a long‑sleeve dress code to shield students. Doors and windows don’t always keep mosquitoes out, so in Zika‑affected zones it’s vital to use screened windows, door nets, and mosquito netting over beds and cribs.
7 Guillain‑Barr Syndrome
The World Health Organization confirmed a link between Zika and Guillain‑Barré syndrome (GBS). Researchers have gathered data suggesting Zika may trigger this life‑altering disorder, where the immune system attacks parts of the peripheral nervous system, often leading to paralysis.
In severe cases, GBS can be life‑threatening, with respiratory failure being a common complication. French Polynesia reported the highest number of Zika‑related GBS cases, documenting 42 instances during an uncontrolled outbreak from 2013‑2014.
6 Symptoms
The symptoms of Zika sound like something ripped from a heart‑medication commercial (“contact your doctor if you experience dizziness, heart attack, blood thinning, or death”). Thankfully, very few infections lead to hospitalization or severe complications. Only about one in five people infected actually develop any symptoms.
Typical symptoms include fever, rash, headache, joint pain, conjunctivitis, and muscle aches. Zika is believed to stay in the bloodstream for roughly a week. The more concerning symptoms arise when the virus is transmitted from mother to child.
5 Treatment
What’s scarier than being poked and prodded for treatment? No treatment at all.
Those infected with Zika receive no virus‑specific therapy. Healthcare providers advise managing individual symptoms—taking acetaminophen for fever and pain, getting plenty of rest, and staying well‑hydrated. Without a vaccine or targeted treatment, the best approach is to support the body while it fights the infection.
The National Institute of Allergy and Infectious Diseases (NIAID) confirmed that researchers are developing a Zika vaccine. They are pursuing a DNA‑based vaccine, similar to the successful West Nile vaccine. Although still in early phases, the effort looks promising.
4 Transmission
Sex, bugs, blood transfusion, and mother‑to‑child spread are the ways Zika gets around. While no confirmed cases of transmission via blood transfusion exist, the possibility remains under investigation. Aedes mosquitoes are active both day and night, becoming infected when they feed on a Zika‑positive person and then passing the virus onward.
As if STDs weren’t scary enough, Zika adds another layer of paranoia during sexual activity. The virus can be passed before symptoms appear, while symptoms are present, and even after they subside. Researchers believe that asymptomatic carriers can still transmit Zika sexually. The safest route is to use condoms or abstain altogether when there’s any risk.
3 Research
The first confirmed Zika case dates back to 1947, yet researchers have struggled to make groundbreaking discoveries. The long gap between cases caused many studies to stall, and funding has been hard to secure when the virus isn’t claiming thousands of lives annually.
The National Institute of Allergy and Infectious Diseases (NIAID) has been studying flaviviruses for years, tackling dengue, West Nile, and yellow fever. In recent years, Zika joined the roster. Scientists aim to deepen understanding of viral genetics and pathogenesis, which could be pivotal in fighting Zika and related flaviviruses. Current efforts focus on animal models to uncover long‑term effects.
2 Countries Devastated
Forty‑eight countries across the globe have felt the impact of Zika. Travel advisories have altered how people move, and tourism in affected regions has taken a hit. Countries from Mexico to African nations, Asia, the Caribbean, Central America, the Pacific Islands, and South America have all reported cases. Low‑resource nations suffered the most, facing greater challenges in treatment and recovery, which can lead to more severe complications or even death.
Travel warnings stunned the tourism industry. The 2016 Summer Olympics in Rio de Janeiro were affected, with some athletes opting out. Attendance was noticeably lower than previous Games. The WHO later reported that no athletes contracted Zika during the event, attributing the lack of cases to Rio’s winter season, when mosquitoes are less active.
Within the United States, Texas and Florida felt the wave of concern. Texas confirmed its first case in December 2016, soon after identifying cities where Zika‑carrying mosquitoes had spread. Around the same time, Miami‑Dade County, Florida, was designated a Zika cautionary zone.
1 Women and Children
One of the most heartbreaking revelations is that pregnant women can pass Zika to their unborn babies. In 2016, 642 pregnant women in the United States were diagnosed with the virus. Infection during pregnancy can cause microcephaly, a birth defect that results in a smaller head and reduced brain size, severely affecting development.
The CDC identified five hallmark features of Congenital Zika Syndrome (CZS): severe microcephaly with partial skull collapse, loss of brain tissue, eye or vision damage, clubfoot or other joint abnormalities, and unusually high muscle tone. Not every baby with CZS exhibits all five characteristics, but the potential impact is profound.
Researchers still lack sufficient data on how Zika might affect future pregnancies. Current thinking suggests that once the virus clears from a woman’s bloodstream, it no longer poses a threat to later pregnancies. However, physicians remain concerned about children who appear healthy at birth, as some congenital infections can cause problems years later.
Janet Lyon, a college student, exemplifies the drive to stay educated and contribute to society despite the challenges posed by Zika.