Written by on October 29, 2021

Ever since the first vaccines were unveiled, there’s been a lot of talk and speculation about side effects from a fever and chills, to more serious blood clots.

Worries that the Covid-19 vaccine could cause infertility are among the reasons people give for avoiding vaccination. While there’s no evidence any of the Covid vaccines cause problems with fertility, becoming severely ill from the disease has the potential to do so, reproduction experts say, making vaccination all the more important. 

The Pfizer and Moderna vaccines against CVOID-19 do not harm male fertility, suggests a new study published in the journal JAMA.

The study, which involved 45 healthy male volunteers aged 18 to 50 years, found that the levels of sperm in participants remained at healthy levels after they got two doses of the mRNA COVID-19 vaccine by Pfizer-BioNTech and Moderna, reports said.

The potential negative impact of COVID-19 vaccines on male fertility has been one of the many reasons for vaccine hesitancy across the world. This study by the University of Miami in the US brings much-needed clarity into the topic and is likely to help persuade more male members of society in getting vaccinated.

“One of the reasons for vaccine hesitancy is the potential negative effect on fertility,” the authors of the study from the University of Miami in the US noted.

In a report published in the journal Reproduction in January this year, researchers had said that COVID-19 can cause increased sperm cell death, inflammation and so-called oxidative stress.

“These findings provide the first direct experimental evidence that the male reproductive system could be targeted and damaged by COVID-19 ,” the authors conclude

In the study of sperm parameters before and after two doses of a COVID-19 mRNA vaccine, there were no significant decreases in any sperm parameter among this small cohort of healthy men, the researchers found.

Sperm concentration and total motile sperm count at the beginning of the study were 26 million/milliliter (mL) and 36 million, respectively.

After the second vaccine dose, the median sperm concentration significantly increased to 30 million/mL and the median TMSC to 44 million.

Semen volume and sperm motility also significantly increased, the researchers said.

Because the vaccines contain mRNA and not the live virus, it is unlikely that the vaccine would affect sperm parameters, they said.

We looked into the claim and found out that Covid-19 vaccine does not cause infertility.

This message is brought to you by sky FM in collaboration with Code for Africa’s ilab for Data Journalism program supported by DW Akademie

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