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Articles on Disease surveillance

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A man sprays the walls of a house with insecticide against mosquitoes. Cristina Aldehuela/AFP via Getty Images

Fresh signs of mosquito insecticide resistance in South Africa

Insecticide resistance is a growing threat to malaria control efforts globally. It is, thus, important to keep a close eye on vector mosquito populations in affected areas.
Nigeria must increase its testing capacity to deal with rising COVID-19 cases Olukayode Jaiyeola/NurPhoto via Getty Images

Nigeria isn’t ready to deal with rising COVID-19 cases

Nigeria must increase its testing capacity and do more genomic studies to deal effectively with the Delta variant of COVID-19.
Sequencing the genetic code of virus samples taken from COVID-19 patients reveals how SARS-CoV-2 is spreading and changing. Nate Langer/UPMC

Genomic surveillance: What it is and why we need more of it to track coronavirus variants and help end the COVID-19 pandemic

The US lags in testing coronavirus samples from COVID-19 patients, which can help track the spread of the virus and the emergence of new variants. But labs are ramping up this crucial surveillance.
Sewage samples mixed with magnetic beads and loaded onto the liquid-handling robot for viral concentration. C. H. Sheikhzadeh @ HOMA Photographic Art

Sewage-testing robots process wastewater faster to predict COVID-19 outbreaks sooner

A community’s wastewater can predict coronavirus cases that haven’t yet been diagnosed. The quicker that information is known, the better.
Stacked disasters – like a winter storm that damages a water system during a pandemic – can provide lessons for the next time around. AP Photo/Rogelio V. Solis

5 strategies to prepare now for the next pandemic

Shoring up surveillance and response systems and learning lessons from how the COVID-19 pandemic unfolded will help the world be ready the next time around.

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