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22 — Vanguard, TUESDAY, OCTOBER 18, 2022<br />

‘<br />

Why immunisation coverage remains<br />

low in Nigeria<br />

• Falls short of GVAP goals with only 57% coverage<br />

By Chioma Obinna<br />

ONE of the major rea<br />

sons Nigeria is committed<br />

to the goals of the<br />

Global Vaccine Action<br />

Plan, GVAP, was not only<br />

to ensure that at least 90<br />

per cent of children under<br />

the age of 5 are<br />

immunised with all the<br />

relevant and available<br />

vaccines for children but<br />

to put to an end or reduce<br />

to the barest minimum<br />

child killer diseases.<br />

Sadly, with the slow<br />

progress being made in<br />

immunisation coverage,<br />

Nigeria still falls short of<br />

the goal it set with only<br />

57 per cent of children<br />

immunised in the last five<br />

years, according to the<br />

2021 Multiple Indicator<br />

Cluster Survey, MICS,<br />

and the National<br />

Immunisation Coverage<br />

Survey, NICS, jointly released<br />

by the Nigerian<br />

Government, the United<br />

Nations Children’s<br />

Fund, UNICEF, in partnership<br />

with other partners.<br />

Findings by Good<br />

Health Weekly showed<br />

that many mothers and<br />

caregivers still have reservations<br />

about<br />

immunisation, leaving<br />

Nigeria with only 36 per<br />

cent of children aged<br />

between 12 and 23<br />

months receiving all recommended<br />

vaccines, according<br />

to the 2021<br />

MICS.<br />

Even though the benefits<br />

of vaccines are fully<br />

realised when children<br />

receive all recommended<br />

vaccine doses promptly,<br />

many of these children<br />

receive incomplete<br />

doses.<br />

A case in point is that of<br />

Abdul Abdul. At age 1,<br />

Ahmed received only one<br />

immunisation which was<br />

given to him a few days<br />

after his birth at one of<br />

the Lagos State Primary<br />

Healthcare Centres.<br />

Bola, Abdul's mother,<br />

said he was not himself<br />

after the first dose of BCG,<br />

which discouraged her<br />

from returning for the<br />

other immunisations.<br />

“I was afraid that my<br />

child would have more<br />

complications if I went<br />

back for another immunization.<br />

He had a fever<br />

for days. Although I tried<br />

to go back for measles the<br />

day I went to the PHC,<br />

we were told to come<br />

back and I have not been<br />

able to go back due to<br />

time and he is now more<br />

than nine months. I lost<br />

my first child I don’t want<br />

to lose another. ” she said<br />

Like Abdul, many children<br />

in Nigeria have either<br />

received one or two<br />

immunisations and some<br />

have not received any at<br />

all due to unsubstantiated<br />

reasons. Today,<br />

immunisation coverage in<br />

Nigeria is below GVAP<br />

goals, putting millions of<br />

children at risk of vaccinepreventable<br />

diseases all<br />

thanks to these unfounded<br />

factors.<br />

However, findings by<br />

The highest percentage of children who did not receive any vaccinations are in<br />

Sokoto with 51 per cent while the smallest proportions is found in Enugu with<br />

1 per cent and Ebonyi 0 per cent. Courtesdy of MICS6.<br />

HEART ATTACKS: Okoye seeks improved<br />

attention on blood clots<br />

• As World Thrombosis Day Campaign steps up<br />

By Sola Ogundipe<br />

AS Nigeria joined the rest<br />

of the world to mark this<br />

year’s World Thrombosis<br />

Day, a medical expert and<br />

spokesperson for the World<br />

Thrombosis Day campaign,<br />

Dr Helen Okoye, has called<br />

for more attention towards<br />

curtailing the menace of<br />

blood clots and the risk of<br />

fatal heart attacks.<br />

Okoye who spoke on<br />

World Heart Day ahead of<br />

the World Thrombosis Day<br />

Campaign noted that it’s<br />

vitally important for people<br />

to understand the risks that<br />

could lead to having a fatal<br />

heart attack, and how to<br />

lessen them.<br />

Thrombosis, commonly<br />

known as blood clots, plays<br />

a significant role in people<br />

having heart attacks. To<br />

understand how this happens,<br />

she explains that coronary<br />

arteries – which are<br />

wrapped around the outside<br />

of the heart – supply<br />

blood to the entire heart<br />

muscle, which needs oxygen-rich<br />

blood to function.<br />

“These coronary arteries<br />

can develop plaques – a<br />

the MICS report, showed<br />

that gaps in routine<br />

immunisation in Nigeria.<br />

It shows that 64 per cent<br />

of children aged 12-23<br />

months did not receive<br />

all routine immunisations,<br />

46 per cent did receive<br />

but not all doses, 18 per<br />

cent did not receive any<br />

one, and 30 per cent<br />

build-up of cholesterol, fibrous<br />

tissue, and inflammatory<br />

cells – in a process<br />

called atherosclerosis. If<br />

these plaques become unstable<br />

and rupture, a blood<br />

clot can form at the site in a<br />

process called arterial<br />

thrombosis. If that blood clot<br />

blocks a coronary artery,<br />

blood can’t reach the heart,<br />

which leads to a heart attack,”<br />

she says.<br />

Signs of a heart attack include<br />

chest pain or pressure,<br />

shortness of breath,<br />

light-headedness, pain in<br />

the jaw, neck, and back, and<br />

pain in one or both arms or<br />

shoulders. If such an instance,<br />

seek immediate<br />

emergency medical help.<br />

Warning of a fatal link between<br />

blood clots and heart<br />

attacks, Okoye harped on<br />

the importance of reducing<br />

the risk of thrombosis, the<br />

often preventable underlying<br />

pathology of the top<br />

three cardiovascular killers<br />

– heart attack, thromboembolic<br />

stroke, and Venous<br />

Thromboembolism (VTE).<br />

She states that thrombosis<br />

can affect people of all<br />

ages, even though certain<br />

thought the child was<br />

fully immunised.<br />

Other reasons found by<br />

the survey showed that 51<br />

per cent lack knowledge<br />

or information, while 7 per<br />

cent complained that the<br />

immunisation site was too<br />

far and 19 per cent was<br />

due to service delivery<br />

issues and 11 per cent<br />

reported that mothers or<br />

caregivers too were busy,<br />

24 per cent lack of time or<br />

other family issues, 11<br />

per cent had fear of side<br />

reactions and 26 per cent<br />

due to mistrust or fears.<br />

According to the report,<br />

a fully vaccinated child<br />

must have received all<br />

1YL antigens including<br />

BCG, OPV0, HepB0,<br />

OPV1-3, IPV, Penta1-3,<br />

PCV1-3, YF, Meningitis<br />

A & MCV1.<br />

Sadly, even though the<br />

benefits of vaccines are<br />

fully realised when children<br />

receive all recommended<br />

vaccine doses<br />

promptly, only 36 per<br />

cent of children aged 12-<br />

23 months received all<br />

recommended vaccines<br />

in Nigeria. The report<br />

also notes that more children<br />

were fully vaccinated<br />

in the southern<br />

zones compared to the<br />

northern zones.<br />

From the survey, nearly<br />

2 of every 4 rural children<br />

received Penta3 and children<br />

in the richest<br />

quintile were more than<br />

twice as likely to receive<br />

Penta3 as those in the<br />

poorest quintile.<br />

“Immunisation coverage<br />

varies dramatically<br />

across Nigeria and improvements<br />

are needed<br />

in nearly every state,” the<br />

report stated.<br />

factors put one at higher<br />

risk.<br />

“Thrombosis is a significant<br />

public health issue, yet<br />

so many people are unaware<br />

of it. Risk factors for<br />

thrombosis include<br />

hospitalisation, surgery,<br />

cancer, prolonged immobility,<br />

family history, oestrogen-containing<br />

medications,<br />

and pregnancy or<br />

recent birth. It all comes<br />

back to prevention.<br />

“Understanding the risk<br />

factors and what you can<br />

do to lessen them enables<br />

you to be an active participant<br />

in your health and<br />

wellbeing and is the knowledge<br />

that could very well<br />

save your life or that of a<br />

loved one.”<br />

Meanwhile, World<br />

Thrombosis Day, a global<br />

awareness campaign led by<br />

the International Society on<br />

Thrombosis and<br />

Haemostasis (ISTH), recognized<br />

annually on October<br />

13 to bring awareness<br />

to conditions caused by<br />

thrombosis, stepped up efforts<br />

against the preventable<br />

killer disorder.<br />

Ahead of its 10th anniversary<br />

in 2023, the World<br />

Thrombosis Day campaign,<br />

with the tagline “Eyes<br />

Open to Thrombosis,” is<br />

dedicated to spreading<br />

awareness of the signs,<br />

symptoms, and risk factors<br />

of blood clots with the help<br />

of more than 3,000 partner<br />

organisations who organizing<br />

upwards of 10,000<br />

awareness activities worldwide<br />

Blood clots are the underlying<br />

cause of heart attacks,<br />

ischemic strokes, and<br />

venous thromboembolism<br />

(VTE), the top three cardiovascular<br />

killers. VTE<br />

occurs when one or more<br />

blood clots form in a deep<br />

vein, most often in the leg<br />

(deep vein thrombosis,<br />

DVT), and can travel in the<br />

bloodstream and lodge in<br />

the lungs (a condition<br />

known as pulmonary embolism).<br />

This year’s global<br />

campaign offers enhanced<br />

efforts to share personal stories<br />

from patients and survivors<br />

who have experienced<br />

life-threatening VTE<br />

to spotlight the prevalence<br />

of this often-overlooked<br />

condition.<br />

However, the report also<br />

found that two states -<br />

Ebonyi and Enugu have<br />

estimated leads among<br />

states with the lowest<br />

number of children not<br />

vaccinated.<br />

The two states have the<br />

highest number of Penta3<br />

coverage above the 90 per<br />

cent goal. Penta3 coverage<br />

is notably higher in<br />

the southern zones than<br />

in the north.<br />

“Children are significantly<br />

less likely to have<br />

received 3 doses of pentavalent<br />

vaccine if they are<br />

from poor families or rural<br />

families or if the child’s<br />

mother is younger than<br />

25 years of age or has a<br />

low level of education,”<br />

the report revealed.<br />

In the NICS 2021 survey,<br />

only 56 per cent of<br />

children showed a child<br />

health card and the availability<br />

of child health<br />

cards varied across states,<br />

with a high of 98 per cent<br />

in Ebonyi and a low of 16<br />

per cent in Sokoto.<br />

States with low<br />

immunisation coverage<br />

also had low card availability.<br />

Child health cards<br />

are important health<br />

records critical for evaluating<br />

immunisation status.<br />

It also found that in 3 of<br />

6 zones there are significant<br />

differences in zero<br />

dose prevalence between<br />

urban and rural households,<br />

with rural children<br />

more likely to be zero<br />

doses. In 4 of 6 zones,<br />

there are significant differences<br />

across one or<br />

more categories of maternal<br />

education, with less<br />

educated mothers likely<br />

to have zero-dose children.<br />

In 5 of 6 zones, there<br />

are significant differences<br />

between the poorest and<br />

richest wealth quintiles,<br />

with poorer households<br />

more likely to have zero<br />

dose children.”<br />

UNICEF’s Chief of<br />

Monitoring for Result<br />

(M4R), Mr Claes<br />

Johanson who traced<br />

most deaths of children to<br />

lack of immunization, told<br />

Good Health Weekly that,<br />

although the 2021<br />

immunisation report<br />

showed a little improvement<br />

from the 44 per cent<br />

and now 57 percent, has<br />

a huge impact on child<br />

mortality. He said<br />

women’s education has a<br />

huge impact on<br />

immunisation.<br />

Johanson who said the<br />

smallest proportions of<br />

children who did not receive<br />

any vaccinations are<br />

found in Enugu with 1 per<br />

cent, Ebonyi, 0 per cent<br />

and Sokoto with 51 with r<br />

cent said the benefits of<br />

vaccines are fully realised<br />

when children receive all<br />

recommended vaccines<br />

doses promptly.<br />

Johanson said while<br />

there was a little progress,<br />

there was room for improvement,<br />

adding that,<br />

action should be a priority<br />

for the Nigerian government.

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