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    NjiaPay: South African Fintech Startup Reshaping Payment Solutions for African Businesses

    NjiaPay: South African Fintech Startup Reshaping Payment Solutions for African Businesses

    Ghana’s Kofa Secures $8.1M Pre-Series A Funding to Drive Clean Energy Access Across Urban Africa

    Ghana’s Kofa Secures $8.1M Pre-Series A Funding to Drive Clean Energy Access Across Urban Africa

    South Africa’s CureRoot Leverages AI to Unlock New Medicines from African Medicinal Plants

    South Africa’s CureRoot Leverages AI to Unlock New Medicines from African Medicinal Plants

    SA’s Peach Payments Expands into Francophone Africa with PayDunya Acquisition

    SA’s Peach Payments Expands into Francophone Africa with PayDunya Acquisition

    Egypt’s Enza Secures $6.75M to Drive Financial Inclusion in Africa

    Egypt’s Enza Secures $6.75M to Drive Financial Inclusion in Africa

    South African Prop-Tech Startup Preferental Unveils Innovative Tenant-Screening App

    South African Prop-Tech Startup Preferental Unveils Innovative Tenant-Screening App

    LoftyInc Capital Secures $43 Million for First Close of New Pan-African Seed Fund

    LoftyInc Capital Secures $43 Million for First Close of New Pan-African Seed Fund

    Stitch Teams Up with Standard Bank’s Shyft for Instant Wallet Top-Ups in South Africa

    Stitch Teams Up with Standard Bank’s Shyft for Instant Wallet Top-Ups in South Africa

    Kenya Takes Action Against TikTok Following Child Exploitation Exposé

    Kenya Takes Action Against TikTok Following Child Exploitation Exposé

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    NjiaPay: South African Fintech Startup Reshaping Payment Solutions for African Businesses

    NjiaPay: South African Fintech Startup Reshaping Payment Solutions for African Businesses

    Ghana’s Kofa Secures $8.1M Pre-Series A Funding to Drive Clean Energy Access Across Urban Africa

    Ghana’s Kofa Secures $8.1M Pre-Series A Funding to Drive Clean Energy Access Across Urban Africa

    South Africa’s CureRoot Leverages AI to Unlock New Medicines from African Medicinal Plants

    South Africa’s CureRoot Leverages AI to Unlock New Medicines from African Medicinal Plants

    Kenyan Tourism Venture Studio Purple Elephant Ventures Increases Seed Round to $5 Million

    Kenyan Tourism Venture Studio Purple Elephant Ventures Increases Seed Round to $5 Million

    SA’s Peach Payments Expands into Francophone Africa with PayDunya Acquisition

    SA’s Peach Payments Expands into Francophone Africa with PayDunya Acquisition

    Egypt’s Enza Secures $6.75M to Drive Financial Inclusion in Africa

    Egypt’s Enza Secures $6.75M to Drive Financial Inclusion in Africa

    GIIG Partners with SparkRockets to Launch AI-Powered Startup Validation Tool

    GIIG Partners with SparkRockets to Launch AI-Powered Startup Validation Tool

    Tanzania’s Kilimo BaNDO Revolutionizes Agriculture for Smallholder Farmers

    Tanzania’s Kilimo BaNDO Revolutionizes Agriculture for Smallholder Farmers

    South African Prop-Tech Startup Preferental Unveils Innovative Tenant-Screening App

    South African Prop-Tech Startup Preferental Unveils Innovative Tenant-Screening App

    LoftyInc Capital Secures $43 Million for First Close of New Pan-African Seed Fund

    LoftyInc Capital Secures $43 Million for First Close of New Pan-African Seed Fund

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    iPhone 16 Sales Surge 20% in China, Signaling a Strong Comeback

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    Grid Africa Secures $2.8 Million for Renewable Energy Initiatives in South Africa

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    Millennials and Gen Z Show Shorter Tenures Despite Clear Career Paths, New Report Shows

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Home Covid-19 News

COVID-19 Reinfections may lead to Chronic Health Issues

by Eucharia Egwuma
September 14, 2023
in Covid-19 News
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A research shows that patients who were reinfected with any SARS-CoV-2 variant are much more likely to develop chronic health issues like diabetes, kidney disease, organ failure, and even mental health problems.

While a previous SARS-CoV-2 infection can protect against a reinfection for an average of seven months, the immunity wanes afterwards. Repeated bouts of COVID-19 are harmful—even if the episodes are mild—because the long-term consequences add up for each additional infection, as demonstrated in a study of U.S. veterans.

After the Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices met yesterday and voted in favor of the new shots, CDC director Mandy Cohen signed off on the panel’s recommendations. “CDC is now recommending updated COVID-19 vaccination for everyone six months and older to better protect you and your loved ones.” 

“I certainly recommend at all of my preventative visits that patients complete their primary COVID series and stay up to date on the boosters,” says Natalie Paul, a family nurse practitioner at Lavender Spectrum Health in Longview, Washington. While vaccines and boosters may not block new or reinfections, they provide a strong protection against serious complications or hospitalization. “I personally would get it myself.”

Soaring reinfection rates

The CDC defines a reinfection as when someone tests positive for SARS-CoV-2—the virus that causes COVID-19—on a PCR test 45 days after recovering from a previous confirmed infection. In the United States, about 2.7 percent of all reported COVID cases during the Delta variant surge in late 2021 were reinfections. But the problem became significantly worse when Omicron emerged, and its more infectious subvariants became dominant.

A CDC analysis of lab-confirmed, adult COVID cases between September 2021 and December 2022, found that reinfection rates jumped to 10.3 percent during the Omicron BA.1 wave; 12.5 percent when BA.2 was dominant; 20.6 percent during BA.4/BA.5; and 28.8 percent during the BQ.1/BQ.1.1. The good news is that a meta-analysis of 91 published studies showed that vaccination lowered the risk of getting reinfected, although vaccines became less efficient in preventing reinfections against Omicron variants.

But the numbers of reinfections are likely to be underestimated because not everyone who gets infected with SARS-CoV-2 gets sick enough to get tested. Since reinfection often generates somewhat milder symptoms, it is even more difficult to fully assess the true tally. Being a virologist, Qureshi frequently takes COVID tests when she suspects something is off, and that’s why she knows she has had frequent re-infections.

A Canadian study estimated that 40 percent of people who had antibodies in their blood—proof that they had been infected with SARS-CoV-2—had not experienced any symptoms in the previous six months and were unaware they had gotten the disease.

Studies from various other countries also suggest that reinfection rates can range from 5 percent to 15 percent. An analysis of COVID-19 cases in Serbia, for example, found that risk of getting reinfected has steadily increased during the pandemic, but it spiked after the arrival of Omicron variants in December 2022.

Who is most likely to get reinfected?

People who work in jobs with a lot of face-to-face contact, such as teachers and other school employees, healthcare professionals, and those who live in multigenerational households often have frequent recurrent COVID infections, says Paul. For example, healthcare employees working in COVID-19 clinical units can have a four-fold higher risk of getting reinfected relative to those working in non-clinical units.

Studies show that the risk of someone getting COVID-19 are much higher among families with young children. In fact, over 70 percent of nearly 850,000 U.S. households might have caught COVID-19 through a child during the school year.

“I now treat a lot of people with multiple COVID infections,” says nurse Paul. “A lot of them have risk factors like having young children in the school system.”

The antibodies against SARS-CoV-2 wane substantially within three months, especially in patients with less severe symptoms. However, immune response to a previous infection, or vaccine, can vary a lot between individuals.

“Nobody is immune to this,” says Qureshi.

“Sooner or later, you will get an infection.”

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