![]() ![]() In coastal Kenya, the prevalence of enteric viruses over the past decade has been monitored and no significant change in the prevalence has been detected in all the viruses except for sapovirus (7.6% vs 4.0%, p value 0.05). Some of the measures included those that may impact enteric pathogen transmission such as frequent hand washing, increased hygiene, social distancing, closure of restaurants and restricted movement either locally or internationally 13. The decline of the detection rates of enteric viruses in the early COVID-19 pandemic phase has been postulated to be a result of the stringent non-pharmaceutical interventions (NPIs) that were implemented to abrogate the pandemic 13. ![]() ![]() Sporadic outbreaks of norovirus have also been reported in China in September 2020 and in the USA, where a total of 992 norovirus outbreaks were reported between August 2021 and July 2022 5, 11, 12. However, this decrease in virus detection has been followed by remarkable outbreaks in 2021 5, 10. Like RVA, a decrease in cases of norovirus GII, sapovirus, adenovirus 40/41 and astrovirus was reported in 2020 in Spain 8 and Korea 9 compared to previous years. However, in 2021 there was a surge of RVA cases in these countries. For instance, in France 3, Poland 4, China 5, 6 and USA 7, the prevalence of RVA during the year 2020 was lower compared to 20. In 2019, approximately 300,000 deaths were recorded globally in children below 14 years of age due to rotavirus group A (RVA), norovirus GI and GII, and adenovirus 40/41 infections 2.įollowing the emergence of COVID-19, a number of reports have indicated perturbations in in seasonality, prevalence and incidence of common enteric viruses associated with diarrhoea disease. Although water sanitation and hygiene (WASH) programmes and new vaccine introductions have resulted in significant reductions of paediatric diarrhoea morbidity and mortality globally, virus-associated diarrhoea is still a major cause of hospital admissions in several low and middle-income settings 1. ![]()
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