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The Lancet Infectious Diseases: Largest seroprevalence study in the region finds number of people infected with SARS-CoV-2 in Iran may be higher than expected


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An analysis of the first wave of the epidemic in Iran in 8902 people suggests the overall proportion of people with SARS-CoV-2 antibodies in their blood - known as seroprevalence - may be higher than rates based on clinical cases alone, at around 17.1% seropositivity vs 0.6% based on modelling from previous studies, by end of April 2020.
However, seroprevalence varies widely between cities - with the highest estimates found in Rasht (72.6%) and the lowest in Sanandaj (1.7%) although some cities had small samples sizes.
Despite high seroprevalence in a few cities, a large proportion of population is still uninfected. The potential shortcomings of current public health policies should therefore be identified to prevent future epidemic waves in Iran. ....

Sistan Va Baluchestan , United States , British Columbia , Az Arbayjane Sharqi , Az Arbayjane Gharbi , Maryam Darvishian , Reza Malekzadeh , Ardabil University Of Medical Sciences , Academy Of Medical Sciences , Mazandaran University Of Medical Sciences , Tabriz University Of Medical Sciences , Ahvaz Jundishapur University Of Medical Sciences , Urmia University Of Medical Sciences , Shiraz University Of Medical Sciences , Cancer Control Research , Kerman University Of Medical Sciences , Golestan University Of Medical Sciences , University Of Washington , Bc Cancer Research Centre , Mashhad University Of Medical Sciences , Kermanshah University Of Medical Sciences , Kurdistan University Of Medical Sciences , Zahedan University Of Medical Sciences , Iranian Ministry Of Health , Babol University Of Medical Sciences , Guilan University Of Medical Sciences ,

Iran COVID-19: Number of people infected with SARS-CoV-2 may be higher than expected, according to seroprevalence study


A study tracking seroprevalence across Iran suggests that the number of people who have had the SARS-CoV-2 virus is 17.1% overall and 20.0% in high-risk occupations. The findings suggest that an estimated almost 4.3 million people across the 18 cities sampled were infected with the virus by the end of April 2020, compared with 800,000 clinically confirmed cases by November 2020 for the whole country (population 81.8 million). This discrepancy may reflect the fact that clinical cases pick up only the severe end of the disease spectrum, especially in the first wave when widespread testing was less common.
Image by Gerd Altmann from Pixabay
This is the first major seroprevalence study from the Middle East and is published in ....

United States , British Columbia , Maryam Darvishian , Reza Malekzadeh , Gerd Altmann , Cancer Control Research , Tehran University Of Medical Sciences , Middle East , Lancet Infectious Diseases , Professor Reza Malekzadeh , Tehran University , Medical Sciences , ஒன்றுபட்டது மாநிலங்களில் , பிரிட்டிஷ் கொலம்பியா , ரெஸ மாழேக்ஜடேஹ , கேர்த் அல்டமான் , புற்றுநோய் கட்டுப்பாடு ஆராய்ச்சி , தெஹ்ரான் பல்கலைக்கழகம் ஆஃப் மருத்துவ அறிவியல் , நடுத்தர கிழக்கு , ப்ரொஃபெஸர் ரெஸ மாழேக்ஜடேஹ , தெஹ்ரான் பல்கலைக்கழகம் , மருத்துவ அறிவியல் ,