CAPC’s annual Parasite Forecast and corresponding 30-day Pet Parasite Forecast maps alert pet house owners of impending outbreaks throughout the USA.

CAPC’s 2021 Parasite Forecast is crucial to alerting pet house owners to the dangers this yr and reinforcing CAPC’s advice that each one pets must be yearly examined and guarded year-round.

The Companion Animal Parasite Council (CAPC) — the nation’s main supply on parasitic illnesses that threaten the well being of pets and folks — right this moment launched its annual 2021 Parasite Forecast and corresponding 30-day Pet Parasite Forecast maps to alert pet house owners of impending outbreaks throughout the USA. CAPC predicts heartworm, transmitted by mosquitoes, might be larger than common, particularly alongside the Atlantic coast and Mississippi river with elevated threat in elements of California, Idaho and Montana. The chance for Lyme illness, transmitted by ticks, continues to broaden southward and westward with “sizzling spots” anticipated in parts of Michigan and Ohio, heightened threat persisting within the Northeast, and motion in to the southern states, together with the Carolinas and Tennessee.

“Due to the dynamic and ever altering nature of parasites, we began offering our annual forecasts greater than 9 years in the past,” says Dr. Christopher Carpenter, DVM and Chief Government Officer of CAPC. “Over time, we’ve seen the danger for parasitic illnesses proceed to extend and broaden into areas which have had traditionally decrease prevalence. CAPC’s 2021 Parasite Forecast is crucial to alerting pet house owners to the dangers this yr and reinforcing CAPC’s advice that each one pets must be yearly examined and guarded year-round.”

Pet house owners and veterinarians who need to monitor parasitic illness threat of their county all year long now have entry to 30-Day Pet Parasite Forecast Maps at These maps, developed completely by CAPC, present a neighborhood forecast for each county within the continental United States and are up to date on a month-to-month foundation. This free service informs pet house owners concerning the steady threat of their native communities reminds them concerning the significance of annual parasite testing and year-round parasite safety.

In response to CAPC, the danger of buying heartworm illness in 2021 could be very actual because of the expansive nature of the illness. Mosquitoes are liable for the transmission of the parasite that causes heartworm illness, which could be lethal to pets. This improve in heartworm prevalence could be attributed to a number of components together with hotter and humid climate patterns that create excellent breeding situations for mosquitoes; transportation of companion animals from one space of the nation to a different; and pet house owners who don’t administer parasite preventatives 12 months of the yr.

Heartworm isn’t the one risk pet house owners will must be watchful for. CAPC additionally predicts that Lyme illness, which is a doubtlessly deadly illness for pets, is increasing rapidly. Transmitted by ticks, Lyme illness is spreading because of the growth of tick host habitat vary, primarily deer and rodents, and migratory birds carrying ticks to new areas. Hotter climate and longer seasons for tick replica can be an element. Veterinarians and pet house owners ought to take a look at pets yearly and use tick preventatives year-round. Pets in excessive threat areas ought to be examined and think about a vaccination for Lyme illness.

The forecasts assist CAPC’s advice for annual testing and having pets on preventative therapy year-round. For 2021, CAPC predicts the next threat areas for parasite-related illnesses:

  • An infection with heartworm, which causes a doubtlessly deadly illness is anticipated to be larger than common alongside the Mississippi River, all through southern parts of the Midwest, and alongside the Atlantic Coast north into Virginia and southern New Jersey. Elevated threat can be anticipated in southern Arizona, New Mexico and parts of Colorado, Kansas, Montana and North Dakota. Distinctive to this yr’s forecast is elevated threat in northern California, Idaho and western Montana. As well as, states with traditionally decrease prevalence of heartworm are at rising threat, together with central and southern Florida, Indiana, central and northern Illinois, southern Iowa, in addition to decrease Michigan and Ohio within the Nice Lakes area. A lot of the higher Midwest and New England area is anticipated to have little change, however small will increase in prevalence could also be seen all through. Pet house owners ought to take further care to restrict their pets’ publicity to mosquitoes, take a look at their pets yearly for heartworm illness, and use heartworm preventatives year-round.
  • Lyme illness is a excessive risk and continues to broaden southward and westward. There’s a larger than common seroprevalence predicted all through jap Kentucky, northeastern Tennessee, western Michigan and Ohio, with high-risk “sizzling spots” anticipated in northwestern and southwestern Michigan, and southern and northeastern Ohio. Excessive threat persist all through the Northeast, together with Wisconsin, Minnesota and the higher peninsula of Michigan. The next than regular threat is anticipated in North Dakota, northern South Dakota, Iowa, southern Illinois, and western Kentucky. The southward motion of Lyme is obvious within the rising threat within the Carolinas and Tennessee. Pets residing in or touring to those states are thought-about at excessive threat. Pet house owners ought to discuss to their veterinarian a couple of Lyme vaccination along with testing for the illness and defending pets year-round towards ticks.
  • Ehrlichiosis, transmitted by ticks, is anticipated to be above regular for almost all of the USA, significantly in New Mexico, Arizona, southern California, northern Colorado and southern Wyoming in addition to central and northeastern Illinois and elements of Wisconsin and Minnesota. Threat is anticipated to stay excessive all through the southwest, south-central and coastal Atlantic states. CAPC recommends defending pets year-round towards ticks and routine examination of pets for the presence of ticks. Immediate removing of ticks is crucial.
  • Anaplasmosis, additionally transmitted by ticks is anticipated to have elevated threat, together with areas the place pets have traditionally had low publicity to the illness. Elevated dangers are anticipated to the north and east of its conventional New England prevalence, in addition to in western areas of Pennsylvania and New York. Threat stays excessive in Wisconsin, Minnesota and jap North Dakota. Increased than common will increase are anticipated in parts of Virginia, West Virginia, west and south Texas, and northern California. These areas and surrounding areas have traditionally had a decrease threat of publicity. In mild of those predicted modifications, pet house owners ought to be vigilant in defending pets with year-round tick preventatives and annual testing. Pet house owners are inspired to recurrently verify their pets for ticks and take away them promptly.

For extra details about the Companion Animal Parasite Council go to To view native 30-Day Pet Parasite Forecast Maps, go to

How the forecasts are created

The annual CAPC Pet Parasite Forecasts are a collaborative effort from parasitologists and statisticians in main tutorial establishments throughout the USA who interact in ongoing analysis and knowledge interpretation to raised perceive and monitor vector-borne illness agent transmission and altering life cycles of parasites. The forecasts are primarily based on many components together with temperature, precipitation, and inhabitants density.

Concerning the Companion Animal Parasite Council

The Companion Animal Parasite Council ( is an unbiased not-for-profit basis comprised of parasitologists, veterinarians, medical, public well being and different professionals that gives data for the optimum management of inner and exterior parasites that threaten the well being of pets and folks. Fashioned in 2002, CAPC works to assist veterinary professionals and pet house owners develop the very best practices in parasite administration that shield pets from parasitic infections and cut back the danger of zoonotic parasite transmission.

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